Question

Mohon bantuannya ya...

Answer 1

F(x) = 2x²-8
g(x)= x + 6
(g o f)(12) = g(f(x))
=g(2x²-8)
= (2x²-8) + 6
=2x² - 8 + 6
= 2x² - 2
= 2(12)² - 2
= 2(144) - 2
= 288-2
=286