A cell phone company charges $30.00 for the phone plus a monthly service charge of $20.00. The equation y = 20x + 30 gives the cost y after x months. Which is true of the relationship between x and y?

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

a

step-by-step explanation: