jika f(x) = 2×^2 g (x) = 3× + 1 dan h (x) = akar x maka (f bundaran g bundaran h) (×) . . . dikasih caranya ya njawabnya

Question

Matematika Diposting : 2017-03-29 Diupdate : 2023-11-25 Renastasya

Pertanyaan

jika f(x) = 2×^2 g (x) = 3× + 1 dan h (x) = akar x maka (f bundaran g bundaran h) (×) . . .
dikasih caranya ya njawabnya

Answer 1

f(x) = 2x^2
g(x) = 3x + 1
h(x) = √x

(f ○ g ○ h)(x)
= f(g(h(x)))
= 2(3(√x) + 1)^2
= 2(3√x + 1)(3√x + 1)
= 2(9x + 3√x + 3√x + 1)
= 18x + 12√x + 2