Question

Berapakah nilai f(x) apabila
a) f(x+1)= x(kuadrat) + 4x + 3
b) f(x-2)= x-x(kuadrat)

Answer 1

A) f(x + 1) = x² + 4x + 3
   f(x + 1) = (x + 1)² + 2(x + 1)
         f(x) = x² + 2x

b) f(x - 2) = x - x²
   f(x - 2) = - (x - 2)² - 3(x - 2) - 2
       f(x) = - x² - 3x - 2