f(x)=4x3+7x2\displaystyle {f{{\left({x}\right)}}}=\sqrt{{{4}{x}^{{3}}+{7}{x}^{{2}}}}

The function has a local maximum of at x =

The function has a local minimum of at x =

The function is increasing on the interval(s):   

The function is decreasing on the interval(s):   

The domain of the function is:   

The range of the function is: