diketahui g(x) =x-1 (fog)(x) =2x²-4x+3 nilai f(x+1)

jawab

fungsi

g(x) = x - 1
fog(x)  = 2x² - 4x + 3
f (x - 1) = 2x² - 4x + 3
f(x-1+2) = 2(x+2)² - 4(x +2) + 3
f(x+1) = 2(x² + 4x + 4) - 4x - 8 + 3
f(x+1) = 2x² +8x +8 - 4x - 8 +3
f(x+1) = 2x² + 4x + 3