91Ó°ÊÓ

Graph the equations in the same rectangular system.

$y=3andy=3x$

In the following exercises, evaluate the function:

$$\begin{gathered} a.f\left(2\right) \\ b.f(-1) \\ c.f\left(a\right) \end{gathered}$$

Function:$f\left(x\right)=2x^2-x+3$

Find the $xandy$intercepts on the graph.

In the following exercises, evaluate the function:

$$\begin{gathered} a.f\left(2\right) \\ b.f(-1) \\ c.f\left(a\right) \end{gathered}$$

Function:$f\left(x\right)=3x^2+x-2$

Find the $xandy$intercepts on the graph.

In the following exercises, evaluate the function:

$$\begin{gathered} a.g\left(h^2\right) \\ b.g(x+2) \\ c.g\left(x\right)+g\left(2\right) \end{gathered}$$

Function:$g\left(x\right)=2x+1$

Find the intercepts:

$3x+y=12$

In the following exercises, evaluate the function:

$$\begin{gathered} a.g\left(h^2\right) \\ b.g(x+2) \\ c.g\left(x\right)+g\left(2\right) \end{gathered}$$

Find the intercepts:

$x+4y=8$

In the following exercises, evaluate the function:

$$\begin{gathered} a.g\left(h^2\right) \\ b.g(x+2) \\ c.g\left(x\right)+g\left(2\right) \end{gathered}$$

Function: $g\left(x\right)=-3x-2$