Question

Giselle is going to rent a scooter for at least one

hour. The fee is $45 plus $5 for each hour tis
rented. Write a function rule to describe the total
cost of renting a scooter Find a reasonable domain
and range for the functon (Gisele has $65

Answer 1

Explanation:

Cost of rental: f(t) = 45 + 5t, where t is the hours of rental

The cost cannot exceed $65.

f(t) = 45+5t ≤ 65

5t ≤ 20

t ≤ 4 hours

Minimum rental time is 1 hour, so minimum charge is f(1) = 45+5·1 = 50

Domain: {1,2,3,4}

Range: {50,55,60,65}