91Ó°ÊÓ

The limit of the product of two functions equals the ____ of their limits.

Find an equation of the line with slope $5$containing the point $\left(2,-4\right).$

Graph$f\left(x\right)=\left\{\begin{array}{l}3x-2;x≠2\\ 3;x=2\end{array}\right.$.

For the function$$\begin{gathered} f\left(x\right)=\{x^2,ifx≤0 \\ x+1,if0<x<2 \\ 5-x,if2≤x≤5 \end{gathered}$$find$f\left(0\right)$and$f\left(2\right)$

In Problems 1– 6, find each limit

$\underset{x→3}{\lim }\left(-x^2+3x-5\right)$

find the limit

$\underset{x→2}{\lim }\left(3x^2-2x+1\right)$

The formula for the area A of a rectangle of length land

width wis$\underline{l×w}.$

Repeat Problem 9 for $f\left(x\right)=4x$

In Problems 8–12, use the accompanying graph of $y=f\left(x\right)$

Find$\underset{x→-2}{\lim }f\left(x\right)$

In Problems 9–20, find the slope of the tangent line to the graph of f at the given point. Graph f and the tangent line.

$f\left(x\right)=-2x+1\mathrm{at}\left(-1,3\right)$