### Home > CALC > Chapter 10 > Lesson 10.1.5 > Problem10-48

10-48.

Without graphing, find the maximum value of $y = x^3-3x^2 + 2x + 4$ for $0 ≤ x ≤ 3$.

Take the derivative and set it equal to $0$, then solve. But don't forget to check the endpoint!