Evaluate Functions Notation

Is the relation a function? Why?

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

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

Tags

CCSS.8.F.A.1

How would you write y = 2x - 3 in function notation?

• y = 2x-3

• f = 2x - 3

• f(x) = 2x - 3

• Can't be written in function notation

Tags

CCSS.HSF.IF.A.2

How do you read f(x)?

• "f x"

• "f of x"

• "f parenthesis x"

• "f with an x inside parenthesis"

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Is this mapping a function or not a function? 

• Function

• Not a Function 

Tags

CCSS.8.F.A.1

______

Mathematical Equivalence

ON

Tags

CCSS.HSF.IF.A.2

• 16

• 48

• -28

• 4

Tags

CCSS.HSF.IF.A.2

• 6

• -6

• 14

• -14

Tags

CCSS.HSF.IF.A.2

If g(x) = 1 - 3/4x,

7. g(-12) = ​ (a)  

8. g(0) = ​ (b)  

9. -5 times g(4) - 1 = ​ (c)  

• 10

• 1

• 9

• -1

• -9

• You can handle the fraction!

Tags

CCSS.HSF.IF.A.2

What is x if
f(x) = -2?

• 4

• 0

• 3

• 8

Tags

CCSS.HSF.IF.A.2

Is this table a function or not a function? 

• Function

• Not a Function

Tags

CCSS.8.F.A.1