- [Maximum mark: 7]
The total cost, C(d), in Canadian dollars (CAD), to hire a bicycle for d days from Pedal Paradise is given by the function
C(d) = 60d + 10, d ≥ 3, d ∈ ℤ.
The total cost includes a fixed charge to hire both a helmet and a repair kit.
(a) State, in context, what the values 60 and 10 represent. [2]
(b) Calculate the cost of hiring a bicycle for 5 days. [2]
Hema hires a bicycle from Pedal Paradise.
(c) Write down the minimum number of days she can hire the bicycle. [1]
(d) Given that C⁻¹(1270) = k, find the value of k. [2]