Diketahui f(x-2) = x^2+3x dan g(x) = 4x+1. Rumus fungsi (f○g)(x) =.... a. 16x^2+36x+18 b. 16x^2+36x+11 c. 16x^2+8x+1 d. 4x^2+28x+41 e. 4x^2+28x+11

Question

Matematika Diposting : 2018-01-29 Diupdate : 2021-08-18 depotwaid

Pertanyaan

Diketahui f(x-2) = x^2+3x dan g(x) = 4x+1. Rumus fungsi (f○g)(x) =....
a. 16x^2+36x+18
b. 16x^2+36x+11
c. 16x^2+8x+1
d. 4x^2+28x+41
e. 4x^2+28x+11

Answer 1

Diket >> (f°g)(x) = f (g(x))
= f (4x+1)
= (4x+1)-2(2+3x)
= 4x+1-4-6x