Jose collects baseball cards. over the past year, the change in the value ot his favorite card is -$7. which best describes the meaning of this integer?

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

yes

step-by-step explanation:

they have to be opposite and reciprocal of eachother.