jawabannya apa gan pake cara

f(x) = 2x² + x - 3
g(x) = x -2

Maka :
f o g(x) = f(g(x)) = f(x - 2)
f o g(x) = 2(x - 2)² + (x - 2) - 3
f o g(x) = 2(x² - 4x + 4) + (x - 2) - 3
f o g(x) = 2x² - 8x + 8 + x - 2 - 3
f o g(x) = 2x² - 7x + 3

Jawaban B..

diketahui fungsi f (x) dan g(x)