Functions or Not a Function and Direct Variation

Is this graph a function or not a function? 

• Function 

• Not a Function

Tags

8.5.G

Function or not a function?

• Function

• Not a Function

Tags

8.5.G

Is this table a function or not a function? 

• Function

• Not a Function

Tags

8.5.G

You can identify a function from a graph by using the.....

• Horizontal Line Test

• Eye Test

• Vertical Line Test

• Diagonal Line Test

Tags

8.5.G

Suppose y varies directly with x. If y = -7 when x = -3, what is y when x = 9?

Tags

8.5.E

In a direct variation, y=39 when x=3.  Find the value of y when x=2.

• 26

• 3

• 58.5

• 2

Is this a direct variation?

• Yes, it is in y=kx form & k=2

• No, it is not in y=kx form

• Yes, it is not in y=kx form

• No, it is in y=kx form & k=2

The amount of money earned on a job varies directly with the number of hours worked. If $70.00 is earned in 5 hours, how much money is earned in 22 hours of work?

• $2

• $308

• $1.57

• $265

Tags

CCSS.HSF-LE.A.1B

A relation where every input yields one and only one output is called what?

• Relation

• Linear

• Exponential

• Function

Tags

CCSS.8.F.A.1

Which relation is NOT a function?

• {(1,-5), (3,1), (-5,4), (4,-2)}

• {(2,7), (3,7), (4,7), (5,8)}

• {(1,-5), (-1,6), (1,5), (6,-3)}

• {(3,-2), (5,-6), (7,7), (8,8)}

Tags

CCSS.8.F.A.1