10/27 Math Lab: Interpreting Function Notation on a graph

10/27 Math Lab: Finding Values from a Graph Using Function Notation

Find the Values

• f(4) = ___ , x=4

• Above, you are given the input and asked to find the output.

• f(x)=4, find x

• Above, you are given the output and asked to find the input.

Poll

How do you feel about finding values from a graph using function notation?

• I completely get it

• I don't quite get it

• I get it

• I have no clue

Multiple Choice

If a question asks you to find f(2), what does that mean?

• Let x = 2

• Let y = 2

Multiple Choice

f(x) is the same thing as ______.

• y

• x

• input

• an equation

Multiple Choice

What is f(8)?

• 8

• 0

• 3

• -2

Multiple Choice

What is x if

f(x) = -2?

• 4

• 0

• 3

• 8

Multiple Choice

What is f(1)?

• 1

• 5

• 0

• 4

Multiple Choice

How do you read f(x)?

• f x

• f of x

• f parenthesis x

• f with an x inside parenthesis

Multiple Choice

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

Multiple Choice

Find f(2)

• 1

• 4

• 2

• 0

Multiple Choice

Which one is true?

• f(2) = 1

• f(2) = 2

• f(2) = 4

• f(2) = 7

Multiple Choice

Find f(6)

• 1

• 4

• 2

• 0

Multiple Choice

If f(x) = 3 Find the value of x.

• 2

• 4

• 6

• 0

Multiple Choice

Find f(0)

• 1

• 2

• -1

• 3

Multiple Choice

If f(x) = 4, Find the value for x.

• 0

• 1

• 2

• 3

Multiple Choice

Find f(-3)

• -3

• 15

• 19

• 17

Multiple Choice

Find f(1)

• 1

• 2

• -1

• 3

Multiple Choice

Find f(-1)

• -3

• 15

• 19

• 17

Multiple Choice

Find f(4)

• 5

• 4

• 3

• 0

Multiple Choice

If f(x) = 19, Find the value for x.

• 0

• 1

• 2

• 3

Multiple Choice

Find f(3)

• 5

• 4

• 3

• 0

Multiple Choice

Find f(2)

• 5

• 4

• 3

• 0

Multiple Choice

f(x) = x+3

Find x when f(x) = 8

• -1

• 1

• 5

• -5

Multiple Choice

For what value of t is H(t) = 4" ?

• 0

• 1

• 2

• 14

Multiple Choice

Complete the function notation below

f(____) = 214

• 1990

• 1991

• 1989

• 1994

Multiple Choice

What is f(1)?

• 1

• 5

• 0

• 4

Multiple Choice

What is x if

f(x) = -2?

• 4

• 0

• 3

• 8

Poll

How do you feel about finding values from a graph using function notation?

• I completely get it

• I don't quite get it

• I get it

• I have no clue