Question

Input
(x) 1 1 3 3
Output
(y) 4 2 12 6


Part A: Does the table represent y as a function of x? Justify your answer.

Part B: The total cost f(x), in dollars, for renting a paddleboat for x hours is shown below:

f(x) = 20 + 10x

What is the value of f(120), and what does f(120) represent?

Answer 1

@Luigi0210

Answer 2

it does not represent a function because for every x value your equation must go 1 value of y but for example x=1 goes y=4 and y=2

Answer 3

Ohh ok thanks. Can you help me on Part b now <3

Answer 4

f(120)=20+10*120=1220

Answer 5

so 1220?

Answer 6

yes

Answer 7

Thanks!!

Answer 8

nop

Answer 9

?