Function Review Jeopardy

Vocabulary

100

What is the word for a list of all the x values?

domain

200

What is a word for a list of all the y values?

Range

300

A relation where every x value has only one y value is called a...

function

400

The test used to see if a graph is a function

Vertical line test

500

Which variable is the input and which variable is the output?

x is the input, y is the output

Evaluating Functions

100

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

f(2) = -6

200

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

f(7) = -30

300

Evaluate f(-6) if f(x)=x² - 9

f(-6) = 27

400

Evaluate f(4) if f(x)=25 - 4x

f(x)=9

500

Evaluate f(9) if f(x)=3x+15

f(9)=42

Domain/Range

100

State the domain and range:

(3,7) (5,9) (3,8)

domain 3, 5

range 7, 8, 9

200

State the domain and range:

(1,0) (-1,5) (2,3)

domain -1, 1, 2

range 0, 3, 5

300

State the domain and range:

(0,6) (1,6) (2,6) (3,6)

domain 0, 1, 2, 3

range 6

400

State the domain and range:

(8,11) (-3,4) (6,5) (-1,14)

domain -3, -1, 6, 8

range 4, 5, 11, 14

500

State the domain and range:

(0,1) (1,0) (2,2), (-5,-4) (0,-4)

domain -5, 0, 1, 2

range -4, 0, 1, 2

Is it a function?

100

Is it a function? Justify your answer. {(2, 3), (4, 5), ( -2, 6)}

Yes, each input has exactly one output.

200

Using the vertical line test, does the graph of the points (1,3) and (1,5) represent a function?

No, the points fail the Vertical Line Test.

300

Is it a function? Justify your answer.

(2,4) (1,5) (2,6)

No, the input of 2 has two different outputs.

400

Is it a function? Justify your answer. (Draw a parabola)

Yes, it passes the Vertical Line Test.

500

Is it a function? Justify your answer. (Draw a circle)

No, it does not pass the vertical line test.