Question

The cost of renting a kayak for one or more days is given by the function K(n) = 120 + 55n, where n is the number of days the K(n) is the cost in dollars. What is the value of K( 9 − 3)?

Answer 1

$450

Explanation:

K(n) = 120 + 55n

K(9 - 3) = K(6) = 120 + 55(6)

K(6) = 450

Answer: $450