Topic 1 Test Review

Find the domain and range of the relation.

• domain: $\left\{-1,\ -\frac{1}{2},\ \ \ \frac{3}{2},\ \ 2\right\}$
  range: $\left\{\frac{1}{2},\ -1,\ \ \ 0,\ \ \ \frac{3}{2}\right\}$

• domain: $\left\{-1,-\frac{1}{2},\ \ \frac{3}{2},\ \ 2\right\}$
  range: $\left\{-1,\ \ \ 0,\ \ \frac{1}{2},\ \ \frac{3}{2}\right\}$

• domain: $\left\{-1,-\frac{1}{2},\ \ \ 2,\ \ \frac{3}{2}\right\}$
  range: $\left\{-1,\ \ \ 0,\ \ \frac{1}{2},\ \ \frac{3}{2}\right\}$

• domain: $\left\{-1,\ \ \ 0,\ \ \ \frac{1}{2},\ \ \frac{3}{2}\right\}$
  range: $\left\{-1,-\frac{1}{2},\ \ 2,\ \ \ \frac{3}{2}\right\}$

Is the relation a function?  $\left\{\left(1,\ 3\right),\left(7,\ 8\right),\left(10,\ 2\right),\left(12,\ 5\right),\left(6,\ 4\right)\right\}$  

• Yes

• No

• Not enough information

Is the relation a function?  $\left\{\left(0,\ 8\right),\left(2,\ 6\right),\left(17,\ 5\right),\left(2,\ 4\right),\left(7,\ 3\right)\right\}$  

• Yes

• No

• Not enough information

Is the relation a function?  $\left\{\left(0,\ 2\right),\left(3,\ 5\right),\left(13,\ 8\right),\left(1,\ 5\right),\left(7,\ 9\right)\right\}$  

• Yes

• No

• Not enough information

Use the vertical-line test to determine whether the graph represents a function.

• Yes

• No

• Not enough information

Use the vertical-line test to determine whether the graph represents a function.

• Yes

• No

• Not enough information

Use the vertical-line test to determine whether the graph represents a function.

• Yes

• No

• Not enough information

Use the vertical-line test to determine whether the graph represents a function.

• Yes

• No

• Not enough information

Graph the linear function $f\left(x\right)=3x-1$ and find the maximum on the interval  $\left[-3,\ 4\right]$  . 

• maximum: 11

• maximum: -10

• maximum: -9

• maximum: 12

 Graph the function $f\left(x\right)=\sqrt{x+2}$ and find the maximum and minimum values on the interval  $\left[2,\ 7\right]$ .

• maximum: 9
  minimum: 4

• maximum: 3
  minimum: 0

• maximum: 7
  minimum: 2

• maximum: 3
  minimum: 2