Question

F(x) = 2x kuadrat - 3x+4. g(x)= x+2. fungsi kmposisi (fog)(x) adlh?

Answer 1

(fog) = f(g(x))
 = f (x+2)
 = 2 (x+2)² - 3 (x+2) + 4
 = 2 (x² + 4x + 4) - 3 (x+2) + 4
 = 2x² + 8x + 8 - 3x - 6 +4
 = 2x² + 5x + 6

Answer 2

(f o g)(x) = 2(x+2)^2 - 3(x+2) + 4
               = 2x^2 + 8x + 8 - 3x - 6 + 4
               = 2x^2 + 5x + 6