Diketahui f(x) = x2 – 9x – 16 dan g(x) = 7x + 8, maka (f + g)(x) = ….

Jawaban:
Komposisi fungsi
Dik. f(x) = x² - 9x - 16 dan g(x) = 7x + 8
= (f + g)(x)
= f(x) + g(x)
= (x² - 9x - 16) + (7x + 8)
= x² - 9x - 16 + 7x + 8
= x² - 9x + 7x - 16 + 8
= x² - 2x - 8
Jawaban: A