Find the absolute maximum and absolute minimum for the function

f(x)=x316x+2,4x5\displaystyle {f{{\left({x}\right)}}}={x}^{{3}}-{16}{x}+{2},\quad-{4}\leq{x}\leq{5}

absolute minimum at x=\displaystyle {x}=  

absolute maximum at x=\displaystyle {x}=