tlg dong kak............

= tentukan g o h(x) =

g o h (x) = g(2x²)
g o h (x) = 2(2x²) - 2
g o h (x) = 4x² - 2

Maka, f o g o h (x)

f o g o h (x) = f(4x² - 2)
f o g o h (x) = 2(4x² - 2)
f o g o h (x) = 8x² - 4

Jawaban D