At an airport, its costs $7 to park for up to one hour and $5 per hour for each additional hour. Let x represent the number of hours parked. Write a function that models the cost, C (x), of parking x hours, where x is an integer greater than 1.

A: C (x) = 5x+12

B: C (x) = 5 (x+1) + 7

C: C (x) = 5 (x-1) + 7

D: C (x) = 5x+7

Question

Mathematics

Valery Drake

13 January, 01:48

At an airport, its costs $7 to park for up to one hour and $5 per hour for each additional hour. Let x represent the number of hours parked. Write a function that models the cost, C (x), of parking x hours, where x is an integer greater than 1.

A: C (x) = 5x+12

B: C (x) = 5 (x+1) + 7

C: C (x) = 5 (x-1) + 7

D: C (x) = 5x+7

+4

Answers (1)

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Braelyn Shaffer · Answer 1

C: C (X) = 5 (x-1) + 7

because x-1 represents the fact that the first hour costs $7 and then x times 5 represents the fact that each hour after that costs $5