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20 questions
What is a relation?
When you marry someone.
A set of ordered pairs.
Equations that contain parentheses.
A set of numbers and variables.
Which of the following is a function?
Which set of ordered pairs is a function?
{(9,5), (10,5), (9,-5), (10,-5)}
{(3,4), (4,-3), (7,4), (3, 8)}
{(6,-5), (7, -3), (8, -1), (9, 1)}
{(2, -2), (5, 9), (5, -7), (1, 4)}
What is the range of the relation?
{3, 9, 15, 16}
{6, 18, 30, 32}
{(3, 6) , (9, 18) , (15, 30) , (16, 32)}
{3, 6, 9, 15, 16, 18, 30, 32}
What is the domain of the mapping diagram?
{2 , 24}
{1, 11, 15, 17}
{1, 2, 11, 15, 17, 34}
{(2, 11) , (2, 17) , (34, 1) , (34, 15)}
What is the range of the following set of ordered pairs?
{(7, 12), (9, −10), (−3, 8), (0, 0), (7, 0)}{-3, 0, 7, 9}
{-10, 8, 12}
{-10, 0, 8, 12}
{-3, 7, 9}
A relation where every input yields one and only one output is called what?
Relation
Exponential
Linear
Function
For the function {(0, 1) , (1, -3) , (2, -4) , (-4 , 1)}; identify the domain and range.
Domain: {1, -3, -4}
Range: {0, 1, 2, -4}
Domain: {0, 1, 2, -4}
Range: {1, -3, -4}
Domain: {0, 1, 2, 3, 4}
Range: {1, -3, -4}
The _____________ is used to determine if the graph of a relation is a function.
3-D line test
Diagonal line test
Horizontal line test
Vertical line test
Is the relation below a function?
{(<, >), (^, -), (+, =), (&, %)}
Yes, no first element (x-value) is repeated
Yes, because there are four ordered pairs
No, because functions must have numbers
No, because the "&" is not a math symbol
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