Show that , where
and
are constants to be found.
Hence deduce the range of values for for which
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Show that , where
and
are constants to be found.
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Hence deduce the range of values for for which
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Figure 2 shows a sketch of part of the curve with equation where
and is measured in radians.
The point , shown in Figure 2, is a local maximum point on the curve.
Using calculus and the sketch in Figure 2, find the coordinate of
, giving your answer to 3 significant figures.
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Given that
Use differentiation from first principles to show that
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Hence prove that
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A curve has the equation .
Find an expression for .
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(i) Find the gradient of the tangent at the point where , giving your answer in the form
where a is a positive integer to be found.
(ii) Hence show that the gradient of the normal to the curve at the point where is
.
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Find for
(i) ,
(ii) .
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The curve with equation passes through the point with coordinates (-3 , 1).
(i) Find an expression for .
(ii) Find the equation of the tangent to the curve at the point
(-3 , 1).
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Differentiate with respect to x.
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Differentiate with respect to x.
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Differentiate with respect to x
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Differentiate with respect to
.
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Write down when
(i)
(ii)
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The function is defined as
Show that the graph of intercepts the x-axis at the points (1 , 0) and (2 , 0).
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Find .
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Find the gradient of the tangent at the point (1 , 0).
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Hence find the equation of the tangent at the point (1 , 0), giving your answer in the form , where a, b and c are integers to be found.
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Given that
show that
where is a rational constant to be found.
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Figure 1 shows a sketch of the curve with equation
Show that
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The point , shown in Figure 1, is the minimum turning point on
.
Show that the coordinate of
is a solution of
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A car stops at two sets of traffic lights.
Figure 2 shows a graph of the speed of the car, , as it travels between the two sets of traffic lights.
The car takes seconds to travel between the two sets of traffic lights.
The speed of the car is modelled by the equation
where seconds is the time after the car leaves the first set of traffic lights.
According to the model, find the value of
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Show that the maximum speed of the car occurs when
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Given that is measured in radians, prove, from first principles, that
You may assume the formula for and that as
,
and
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The function is defined by
where is a positive constant.
Show that
where is a function to be found.
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Given that the curve with equation has at least one stationary point, find the range of possible values of
.
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where is measured in radians.
Use differentiation from first principles to show that
You may
use without proof the formula for
assume that as ,
and
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The function is defined by
where is a constant.
Deduce the value of .
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Prove that
for all values of in the domain of
.
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Given that
Show that
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Hence prove that .
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A curve has the equation
Find the gradient of the normal to the curve at the point , giving your answer correct to 3 decimal places.
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Find for each of the following:
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Find for each of the following:
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Find the equation of the tangent to the curve at the point
, giving your answer in the form
, where a, b and c are integers.
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Differentiate with respect to x, simplifying your answers as far as possible:
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Differentiate with respect to x.
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Show that if , then
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Hence find the gradient of the tangent to the curve at the point with coordinates
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The diagram below shows part of the graph of , where
is the function defined by
Points A, B and C are the three places where the graph intercepts the x-axis.
Find .
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Show that the coordinates of point A are (-2, 0).
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Find the equation of the tangent to the curve at point A.
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Figure 2 shows a sketch of the curve with equation
where
Show that .
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Hence find, in simplest form, the exact coordinates of the stationary points of .
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The function and the function
are defined by
Find
(i) the range of
(ii) the range of .
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Find the values of the constants ,
and
.
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Prove that is a decreasing function.
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Given that
show that
where is a constant to be found.
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A curve has equation , where
Show that
where and
are constants to be found.
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Hence show that the coordinates of the turning points of the curve are solutions of the equation
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Show from first principles that the derivative of is
.
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A curve has the equation
Show that the equation of the tangent to the curve at the point with x-coordinate 1 is
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For , where
is a real number and
is an integer, show that
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Find the gradient of the normal to the curve at the point with x-coordinate 0. Give your answer correct to 3 decimal places.
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Differentiate with respect to x, simplifying your answers as far as possible:
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By writing as
and then using the product and chain rules, show that
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Given that ,
Find in terms of y
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Hence find in terms of x.
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The diagram below shows part of the graph of , where
is the function defined by
Point A is a maximum point on the graph.
Show that the x-coordinate of A is a solution to the equation
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Show that the -coordinates of the turning points of the curve with equation
satisfy the equation
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Figure 3 shows a sketch of part of the curve with equation .
Sketch the graph of against
where
showing the long-term behaviour of this curve.
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The function is used to model the height, in metres, of a ball above the ground
seconds after it has been kicked.
Using this model, find the maximum height of the ball above the ground between the first and second bounce.
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The curve , in the standard Cartesian plane, is defined by the equation
The curve passes through the origin
Find the value of at the origin.
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(i) Use the small angle approximation for to find an equation linking
and
for points close to the origin.
(ii) Explain the relationship between the answers to (a) and (b)(i).
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Show that, for all points lying on
,
where and
are constants to be found.
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A scientist is studying a population of mice on an island.
The number of mice, , in the population,
months after the start of the study, is modelled by the equation
Find the number of mice in the population at the start of the study.
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Show that the rate of growth is given by
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The rate of growth is a maximum after months.
Find, according to the model, the value of .
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According to the model, the maximum number of mice on the island is .
State the value of .
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Show from first principles that the derivative of is
.
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A curve has the equation .
Show that the gradient of the normal to the curve at the point is
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Find the derivative of the function
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Show that the derivative is
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Hence find the equation of the tangent to the curve at the point , giving your answer in the form
, where a and b are to be given as exact values.
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Differentiate with respect to x, simplifying your answers where possible:
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The diagram below shows the graph of , where
is the function defined by
The points A and B are maximum and minimum points, respectively.
Find the range of , giving your answer correct to 3 decimal places.
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A is the point on the graph of such that the tangent to the graph at
passes through the point
.
Show that the x-coordinate of A satisfies the equation
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A sequence of functions is defined by the recurrence relation
Based on that sequence, the functionis defined by
Calculate the value of
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