Use the graph below to decide whether the limit statements are true or false lim_(x->−2) f(x)=DNE lim_(x->−2^+) f(x)=3 lim_(x->−7) f(x)=3 lim_(x->oo) f(x)=−oo lim_(x->3)f(x)=7 lim_(x->−oo) f(x)=oo

Find the local maximum and minimum values and saddle points of the function. If you have three-dimensional graphing software, graph the function with a domain and viewpoint that reveal all the important aspects of the function
$f(x,y)=x^3-6xy+8y^3$

$\frac{1}{\sec <!--\; \; -->(x)}$ in derivative?

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