Jessica is going to Hawaii. She plans to learn to surf. The Surf Hut company charges an initial fee of $65 for the lesson plus $2.50 for each hour she uses the surfboard.(2 points)

Question

The number of hours is the ______. -
. The total cost of the surf lesson and surfboard is the ____
answer choices - dependent variable,
independent variable,
function,
input function

Answer 1

The number of hours is the input function.
The total cost of the surf lesson and surfboard is the dependent variable.

Answer 2

Write a function for the total cost of the surf lesson and surfboard rental.(1 point)

Answer 3

Let x represent the number of hours Jessica uses the surfboard.

The function for the total cost, C(x), of the surf lesson and surfboard rental can be written as:
C(x) = 65 + 2.50x