Issac fills up his 20-gallon gas tank with fuel that costs $3.54 per gallon. the expression 3.54g represents the cost for a number of gallons of fuel. what does the variable g represent?

The number of gallons of fuel Issac buys

Step-by-step explanation:

this was on ttm or imagine math

what graph

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