Question

Sendo f(g(x))= 2x-6 e f(x)= 2x-8, então g(-1) é?

Answer 1

f(x)2x-8
-2x=-8
x=-8/-2
x=4
2.4-6
8-6=2

Answer 2

f(x)= 2x-8
2x=-8
x=-8-2
x=4
2.4-6
8=6= 2