Question

Apabila f (x) =x+4 dan g (x) =2x^2-2,maka (gof) (x) …
a.x^2+8x+15
b.2z^2+8x+30
c.2 x^2+16x+15
d.2x^2-16x-15
e.2x^2+16x-10

Answer 1

Answer 2

(gof)(x) = g(f(x))
           = g(x+4)
           = 2(x+4)²-2
           = 2(x²+8x+16)-2
           = 2x²+16x+32-2
           = 2x²+16x+30
jawaban : tdk ada diopsi