Basic Functions Part 1

Is this a graph of a function?

• Yes

• No

Is this a graph of a function?

• Yes

• No

Is this a graph of a function?

• Yes

• No

Is this the graph of a function?

• Yes

• No

Is this the graph of a function?

• Yes

• No

Using this list of ordered pairs, determine if it is a function:

 $F=\left\{\left(1,2\right),\left(2,3\right),\left(3,4\right),\left(4,5\right),\left(1,5\right)\right\}$  

• Yes

• No

Tags

CCSS.8.F.A.1

Using this list of ordered pairs, determine if it is a function:

 $G=\left\{\left(1,2\right),\left(2,2\right),\left(3,2\right),\left(4,2\right),\left(5,2\right)\right\}$  

• Yes

• No

Tags

CCSS.8.F.A.1

Determine the domain of the given function:

 $f\left(x\right)=\frac{x-5}{x+7}$  

• All real numbers,  $x\ne-7$  

• All real numbers,  $x\ne5$  

• All real numbers, $x\ne5,\ -7$  

• All real numbers,  $x\ne7$  

Determine the domain of the given function:

 $g\left(x\right)=\frac{x+11}{x^2+2x-35}$  

• All real numbers,  $x\ne-7$  

• All real numbers,  $x\ne5$  

• All real numbers, $x\ne5,\ -7$  

• All real numbers,  $x\ne-11$  

Determine the domain of the given function:

 $h\left(x\right)=\sqrt{x-9}$  

•  $x\ge9$  or  $\left[9,\infty\right)$  

•  $x>9$  or  $\left(9,\infty\right)$  

• All real numbers, $x\ne9$  

• All real numbers