The total cost, , in New Zealand dollars (NZD), of a premium gym membership at Cityfitness can be modelled by the function
where is the time in weeks.
Calculate the cost of the gym membership for a year. Give your answer correct to decimal places.
Find the number of weeks it takes for the total cost to exceed .
At Les Mills the initial payment is NZD lower than Cityfitness, however the weekly cost is NZD higher than Cityfitness
Write a cost function for a gym membership at Les Mills using an appropriate model.
Calculate how many weeks it will take for the cost of a Les Mills gym membership be more than the cost of a Cityfitness gym membership.
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