Functions

Domain/Range

100

Find the domain:

{(-5,5),(-10,10),(-15,15),(-20,20)}

What is

-5, -10, -15, -20

200

Find the range:

{(1,2), (3,4), (5,6), (7,8)}

What is

2, 4, 6, 8

300

What is the range:

Input values are the codes: 100, 101, 102

Output values are snacks: cheetos, doritos, and pretzels

What is

cheetos, doritos, and pretzels

400

Find the output:

When you use the letters on a keyboard to type your essay.

What is the

essay

500

Find domain and range:

{(3,6), (4,9), (15,11), (13,22)}

What is

domain: 3, 4, 15, 13

range: 6, 9, 11, 22

Function Notation

100

Function name f, input is x, and the rule is 9x.

f(x) = 9x

200

Function name is g and the rule is 5r+2

g(r) = 5r+2

300

What is the name of the function W(d)?

What is 

W

400

If the name of the function is h, and the input value is x. Express this in function notation. 

What is 

h(x)

500

Write the following in function notation.

Function: f(x)

Input: -3

Output: 5

What is

f(-3) = 5

f(-6)

100

given: f(x) = x + 2

What is -4

200

given: f(x) = 5x + 10

What is -20

300

given: f(x) = -3x - 9

What is 9

400

given: f(x) = x² - 5

What is 31

500

given: f(x) = x² - 30

What is 6

f(x) = 28

100

given: f(x) = 2x

find x

What is x = 14

200

given: f(x) = 1/4x

find x

What is x = 112

300

given: f(x) = 3x + 16

find x

What is x = 4

400

given: f(x) = x² + 12

find x

What is x = -4 and 4

500

given: f(x) = 4/7 x

find x

What is x = 49

Vocabulary

100

This is the set of inputs.

What is the

domain

200

A relationship where each input has only one output.

What is a

function

300

A variable representing the output of a function.

What is

dependent variable

400

A function that has a constant rate of change.

What is a

Linear Function

500

A way of writing the outputs of a function that you have given a name to.

What is the

function notation