91Ó°ÊÓ

Use a calculator to graph the function and to estimate the absolute and local maxima and minima. Then, solve for them explicitly. \(y=3 x \sqrt{1-x^{2}}\)

For the following functions, use a calculator to graph the function and to estimate the absolute and local maxima and minima. Then, solve for them explicitly. $$[T]y=x+\sin (x)$$

Use a calculator to graph the function and to estimate the absolute and local maxima and minima. Then, solve for them explicitly. \(y=x+\sin (x)\)

For the following functions, use a calculator to graph the function and to estimate the absolute and local maxima and minima. Then, solve for them explicitly. $$[T] y=12 x^{5}+45 x^{4}+20 x^{3}-90 x^{2}-120 x+3$$

Use a calculator to graph the function and to estimate the absolute and local maxima and minima. Then, solve for them explicitly. \(y=12 x^{5}+45 x^{4}+20 x^{3}-90 x^{2}-120 x+3\)

Use a calculator to graph the function and to estimate the absolute and local maxima and minima. Then, solve for them explicitly. \(y=\frac{x^{3}+6 x^{2}-x-30}{x-2}\)

For the following functions, use a calculator to graph the function and to estimate the absolute and local maxima and minima. Then, solve for them explicitly. $$[T]y=\frac{x^{3}+6 x^{2}-x-30}{x-2}$$

For the following functions, use a calculator to graph the function and to estimate the absolute and local maxima and minima. Then, solve for them explicitly. $$[\mathrm{T}] \mathrm{y}=\frac{\sqrt{4-x^{2}}}{\sqrt{4+x^{2}}}$$

Use a calculator to graph the function and to estimate the absolute and local maxima and minima. Then, solve for them explicitly. \(y=\frac{\sqrt{4-x^{2}}}{\sqrt{4+x^{2}}}\)

A company that produces cell phones has a cost function of \(C=x^{2}-1200 x+36,400,\) where \(C\) is cost in dollars and x is number of cell phones produced (in thousands). How many units of cell phone (in thousands) minimizes this cost function?