Diketahui g(x) =4x+6
h(x) =8x-2
2(goh)(2)
h(x) =8x-2
2(goh)(2)
Jawab:
fungsi
g(x) = 4x + 6
h(x) = 8x - 2
goh(x) = g{h(x)}
= 4. h(x) + 6
= 4 (8x - 2) + 6
= 32x - 8 + 6
= 32x - 2
nilai 2. (goh)2( =
= 2 { 32(2) -2)
= 2 (64 -2)
= 2 (62)
= 124