Section: AP Calc AB

17) f’(x) = 3x² + 4 and f(1) = 7, Find f(x)

1. f(x) = -x³ + 4x + 4
2. f(x) = -3x³ + 4x + 6
3. f(x) = 3x³ + 4x
4. f(x) = x³ + 4x + 2

f(x) =  x³ + 4x + C. Since f(1) = 7 ⇒ C = 2. So, f(x) = x³ + 4x + 2