Functions Review

Function Vocab

100

A way in which a function is represented using symbols and signs

Function Notation

200

The set of x coordinates of a relation or function

What is Domain?

300

The set of y coordinates in a relation or a function

What is the range?

400

The test to tell if a graph is a function

What is the Vertical Line Test?

Evaluating Functions

100

Evaluate f(x) = -3x if x = 2

What is - 6?

200

Evaluate f(x) = 2x² + 1 if x = -2

What is 9?

300

f(x) = 25 + 4x

What is the value of x if f(x) = 45?

DAILY DOUBLE!!!

What is 5?

400

Evaluate f(x) = -(4x + 2) if x = 7

What is -30?

Writing Function Rules

100

Given the points write a function rule (0, -2);(1, -1); (2, 0)

What is y = x - 2?

200

Given the table write a function rule:

x                                  y

0                                  0

1                                  3

2                                  6

What is y = 3x?

300

Given the points write a function rule (0, 0); (2, 1); (4, 2)

What is y = x/2?

400

Given the table write a function rule:

x                                  y

-1                                -1

0                                  1

1                                  3

2                                  5

What is y = 2x + 1?

Myhre Trivia

100

In what year did Mr. Myhre graduate high school?

DAILY DOUBLE!!!

2013

200

How many states has Mr. Myhre been to?

40

300

How many siblings does Mr. Myhre have?

2

400

What was Mr. Myhre's GPA in high school?

4.0 (duh)