Function

Is this mapping a function or not a function? 

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Is this set of ordered pairs a function or not a function? 

• Function
• Not a Function 

Tags

CCSS.8.F.A.1

Is this graph a function or not a function? 

• Function 
• Not a Function

The cost of Nate’s service is described by y = 4x + 6. The table shows the cost of Beth’s service. Which service is cheaper for 8 movies in one month?

• Beth's service ($38 vs. $40) is cheaper
• Nate’s service ($42 vs. $44) is cheaper
• Nate’s service ($38 vs. $40) is cheaper
• Beth's service ($42 vs. $44) is cheaper

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Select an ordered pair that satisfies the function y= -4x -1

• (-4,-1)

• (3, -1)

• (5, 19)

• (2, -9)

The point (-10 , 4) is on the graph of which of these functions? Select all that apply:

• y=  $-x^2+6$  

• y= $-\frac{\text{1}}{\text{2}}x-1$  

•  $y=-\frac{1}{10}x-3$  

•  $y=\frac{1}{10}x+5$  

•  $y=\frac{1}{5}x^2-16$  

Find the output, d, when the input, t, is 11.
 $d=-20+11t$  

• 121

• 102

• 101

• 150

Find the output, g, when the input, r, is 4.
 $g=25-3r$  

• 13

• 12

• 15

• 10

Find the output, k, when the input, t, is 3.
 $k=13t-2$  

• 40

• -40

• 37

• -9