Question

Tentukan rumus fungsi f(x) jika diketahui : f'(x) = 8x dan f(2) = 5

Answer 1

F(x)  = ∫ f' (x) = ∫ 8x  dx
f(x) = 4x² + c
f(2) = 5 --> 4(2)² + c = 5
16 + c = 5
c  = -11

f(x)+ 4x² - 11