Evaluating and Interpreting Functions

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

If h(x) = -5x + 7,

Evaluate h(2).

• -2

• 3

• -18

• -3

Tags

CCSS.HSF.IF.A.2

The function h(t) represents the height in inches of a plant after t weeks. What does the notation h(4) = 5 mean?

• After 5 week the plant is 4 inches tall

• The plant grows at a rate of 5/4 inch per week

• After 4 weeks the plant is 5 inches tall

• The plant grows at a rate of 1 inch per week

Tags

CCSS.HSF.IF.A.2

Evaluate f(1) when f(x) = |1 - 6x| .

• 5

• 2

• -5

• 7

Tags

CCSS.HSF.IF.A.2

Evaluate the function at h(-5).

Mathematical Equivalence

ON

Tags

CCSS.HSF.IF.A.2

Evaluate the given function.

Mathematical Equivalence

ON

Tags

CCSS.HSF.IF.A.2

Compare the functions

g(0)=​ (a)   and h(0)=​ (b)  

so

g(0) ​ (c)   h(0)​

• 7

• 6

• >

• <

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

complete the table using the function

f(x) = 2 ( x + 2 ) + 4x

c

d

e

f

20

64

4

15

2

32

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Match the following function notation values

• -4

• f(-2)

• -7

• f(6)

• 8

• f (x) = -8

• -6

• f(0)

• -3

• f (x) = -1

Tags

CCSS.HSF.IF.A.2

f(-2)=​ (a)  

g(-2)=​ (b)  

h(-2)=​ (c)  

• 3

• 6

• -3

• -6

• 5

• -5

• 11

• -11

Tags

CCSS.HSF.IF.A.2