Relations, Functions, Domain and Range Practice

Evaluate f(-2) if f(x) = x²+ 3

• -1

• 1

• 7

• -7

Tags

CCSS.HSF.IF.A.2

Find f(x) if x=-2.

• f(x)=9

• f(x)=-15

• f(x)=-9

• f(x)=21

Tags

CCSS.HSF.IF.A.2

If f(x) = 7, what is the value of x?

f(x) = 3x+1

• 2

• 3

• 22

Tags

CCSS.HSF.IF.A.2

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.

• Yes, because each x-value has only one y-value paired with it.

• No, because the x-value 11 has two y-values pair with it.

• No, because each x-value has only one y-value paired with it.

Tags

CCSS.8.F.A.1

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

Which of the relations below is a function?

• <(p>{(2, 3), (3, 4), (5, 1), (2, 4)}

• <(p>{(2, 3), (3, 4), (6, 2), (7, 3)}

• <(p>{(2, 3), ( 3, 4), (6, 2), (3, 3)}

Tags

CCSS.8.F.A.1

What is the definition of function?

• Has inputs and outputs

• Every input has only ONE output

• Inputs have different outputs every time

• x-values and y-values

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)

• (3,4) (4,-3) (7,4) (3, 8)

• (6,-5) (7, -3) (8, -1) (9, 1)

• (2, -2) (5, 9) (5, -7) (1, 4)

Tags

CCSS.8.F.A.1

Is this graph a function or not a function? 

• Function 

• Not a Function