Is the answer (-1,1)???

(1 , -1)

Step-by-step explanation:

7( 1 ) - 3( -1 ) = 10

7 - - 3 = 10

7 + 3 = 10

10 = 10

true

the forst and 3rd

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