91Ó°ÊÓ

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In the following equation, determine whether each equation is a function.

308

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In the following exercises, evaluate the function

Function:$f\left(x\right)=3x+4$

309

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In the following exercises, evaluate the function:

$a.f\left(2\right)$

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

Function:$f\left(x\right)=-4x+2$

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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:$f\left(x\right)=-6x-3$

3.102

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Determine whether each graph is the graph of a function

3.104

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Graph: f(x) = −4x − 5

3.106

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Graph: f(x) = 3

3.107

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Graph:$f\left(x\right)=x^2$

3.108

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Graph :$f\left(x\right)=-x^2$

3.109

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Graph :$f\left(x\right)=x^3$