Precalculus Examples

f (x) = e^{x}

$f (x) = e^{x}$

Step 1

The range is the set of all valid

y

$y$ values. Use the graph to find the range.

Interval Notation:

(0, \infty)

$(0, \infty)$

Set-Builder Notation:

{y | y > 0}

${y | y > 0}$

Step 2

f (x) = e^{x}

$f (x) = e^{x}$

(

(

)

)

|

|

[

[

]

]

√

√





≥

≥





















7

7

8

8

9

9













≤

≤





°

°

θ

θ









4

4

5

5

6

6

/

/

^

^

×

×

>

>





π

π













1

1

2

2

3

3

-

-

+

+

÷

÷

<

<





∞

∞











,

,

0

0

.

.

%

%



=

=









[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$