Blast from the Past
Is It a Function?
Relations/Domain and Range
Vocabulary
100

What is a 5% discount on a $40 shirt? (not the final price)

$2

100

The name of the test used to determine whether a graph is a function or not is called the ____________ _______ test.

What is vertical line?

100

The domain of the relation {(1,0), (-2, 3), (3, 4)} would be:

What is {1, -2, 3}?

100

The name of the horizontal axis is called______________.

What is the x-axis?

200

Compare the numbers 81% and 4/5.  Which number is greater?  Justify your answer!

81% because 0.81 is larger than 0.8.

200

X  Y

3  2

4  5

5  6

3  7

NO, the 3 repeats

200

Write the range of this relation: {(8,7), (-6, 3), (2, 0)}

What is {7, 3, 0}?

200

Another name for the coordinates (0,0) would be the _______________.

What is the origin?

300

What is the INTEREST when borrowing $500 at 3% for 2  years? I = PRT

$30

300

Determine if the following relation is a function. Explain why or why not. {(9, 0), (3, 0), (2, 2), (-3, -4)}

YES, no domain values repeat

300

Identify the range {(0,2) (0,5) (1,7)

What is {2, 5, 7}?

300

A set of ordered pairs where one input has MORE THAN ONE OUTPUT is called a _______________.

What is a relation?

400

What is the percent change from 80 to 90?

12.5%

400

Describe what a graph would look like if it FAILS the vertical line test.

Two ordered pairs would be graphed using the same X value.

400

Identify the domain {(0,2) (0,5) (1,7)

What is {0,1}?

400

The set of all of the x-values in a relation is called the__________________.

domain

500

Write the number 0.0001095 in scientific notation.

1.095 x 10-4

500

Draw a table that is NOT a function

Anything where the domain value repeats.

500

Is this a function AND what is the range? {(6, 4), (-3, -2), (6, 0), (-4, 4)} 

Not a function. Range is {-2, 0, 4}

500

In an ordered pair the second number is called the________________.

What is the Y coordinate or range?