If \(f'(x)=\sqrt{x^4+3}+2x^3-5x-3\), then \(f\) has a local maximum at \(x=\)
The graph of \(f\) obtains a local maximum when the value of \(f'(x)\) changes from positive to negative.
Use a graphing calculator to obtain the point:
If \(f'(x)=\sqrt{x^4+3}+2x^3-5x-3\), then \(f\) has a local maximum at \(x=\) If \(f'(x)=\sqrt{x^4+3}+2x^3-5x-3\), then \(f\) has a local maximum at \(x=\)