School A store by the beach called Surf City rents surfboards at an hourly rate. The graph describes the proportional relationship between time (x) and cost (y) to rent a surfboard.
Which statement is true?
The constant of proportionality is 34.

The constant of proportionality is 36.

The cost to rent a surfboard for 3 hours is $48.

The cost to rent a surfboard for 5 hours is $90.

part 1 answer = 8

part 2 answer = 72

step-by-step explanation:

part 1 explanation = add all of the numbers, then divide by how many numbers you have. so, 200/25 = 8.

part 2 explanation = not gonna lie, this is hard to explain, so just google how to do it.

$12. that is my answer.

the graph in the attached figure

step-by-step explanation:

we have

using a graphing tool

the graph in the attached figure

the roots are ( x-intercepts) x=-0.5,x=1,x=3

the y-intercept is the point (0,3)