diketahui f(x)2x-3 (gof)=2x+1 ditanya g(x)

Fungsi
• komposisi

f(x) = 2x - 3

g(f(x)) = 2x + 1
g(2x - 3) = (2x - 3) + 4
g(x) = x + 4 ✔

jawab

f(x)=  2x - 3
f⁻¹(x) = 1/2(x + 3)

g(x) = (gof)0 f⁻¹ (x)
g(x) = 2 { 1/2(x+3)} + 1
g(x) = x + 3 + 1
g(x) = x + 4