HURRY PLEASE ANSWER WILL GIVE BRAINLIEST

Martin's graph shows a proportional relationship because Isabelle had to pay 3 extra dollars.

Step-by-step explanation:

Martin's equation y=5x

Isabelle's equation y=5x+3

I put a picture of the lines graphed on the graph.

I hope this helps and have a great day.

theres no picture: /

step-by-step explanation:

for this pair of functions g(x)=x-2 and f(x)=|x| is (g o f)(a)= |a| -2

step-by-step explanation:

g(x)=x-2

f(x)=|x|

(g o f)(a)=?

(g o f)(x)=g(f(x))

(g o f)(x)=g(|x|)

(g o f)(x)=|x|-2

(g o f)(a)=|a|-2