Question

Tolong banget kak ...

Answer 1

f'(x) = 3x² - 16x - 5
f(1) = 8

Untuk mendapatkan f(x), integralkan f'(x)
f(x) = x³ - 8x² - 5x + c
f(-1) = 8
f(-1) = -1 - 8 - (-5) + c = 8
-4 + c = 8
c = 12

Jadi, f(x) = x³ - 8x² - 5x + 12