Find the absolute maximum and minimum values of each function over the interval [−2,2] for f(x) =15x⁴−4x³.
a) Absolute maximum at x=2 and absolute minimum at x=−2.
a) Absolute maximum at x=2 and absolute minimum at x=2.
a) Absolute maximum at x=1 and absolute minimum at x=−1.
a) Absolute maximum at x=-1 and absolute minimum at x=1.