Determine the Maximum and Minimum Values of F(x) = $x ^ { 3 }$

Short Answer

Determine the maximum and minimum values of f(x) = $x ^ { 3 }$ - 3 $x ^ { 2 }$ - 9x on -4 ≤ x ≤ 4 .
Enter your answer exactly as: a,b both integers where a is the minimum of f and b is the maximum of f.