 Relations & Functions
2 years ago
grossit
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Practice 20 QuestionsShow answers
• Question 1
30 seconds
Q. A relation where every input yields one and only one output is called what?
Relation
Linear
Exponential
Function
• Question 2
30 seconds
Q. Which relation is NOT a function?
{(1,-5), (3,1), (-5,4), (4,-2)}
{(2,7), (3,7), (4,7), (5,8)}
{(1,-5), (-1,6), (1,5), (6,-3)}
{(3,-2), (5,-6), (7,7), (8,8)}
• Question 3
30 seconds
Q. All of the x values or inputs are called what?
Domain
Range
Relation
Function
• Question 4
30 seconds
Q. All of the y values or outputs are called what?
Domain
Range
Relation
Function
• Question 5
60 seconds
Q. For h(x) = x3 + 2x, find h(4).
20
14
64
72
• Question 6
30 seconds
Q. In the given relation, what domain value corresponds to the range value -2?
{(-1,2), (-2,4), (2,5), (0,-2), (2,0)}
-2
0
2
4
• Question 7
30 seconds
Q. Which of the following is not a function?
{(0,1), (1,2), (2,3), (3,4)}
{(0,2), (1,3), (4,3), (1,2)}
{(1,3), (4,2), (2,0), (3,4)}
{(1,2), (2,2), (3,2), (4,2)}
• Question 8
300 seconds Q. Is the relation a function? Why.
Yes, because the x-value 11 has two y-values pair with it.
Yes, because each x-value has only one y-value paired with it.
No, because the x-value 11 has two y-values pair with it.
No, because each x-value has only one y-value paired with it.
• Question 9
30 seconds Q. Is this a function?
Yes
No
• Question 10
60 seconds Q. Is this mapping a function or not a function?
Function
Not a Function
• Question 11
60 seconds Q. Is this graph a function or not a function?
Function
Not a Function
• Question 12
60 seconds Q. Is this mapping a function or not a function?
Function
Not a Function
• Question 13
60 seconds Q. Is this graph a function or not a function?
Function
Not a Function
• Question 14
900 seconds Q. Is the graph pictured a function?
Yes
No
• Question 15
900 seconds Q.
Function
Not a Function
• Question 16
900 seconds Q.
Function
Not a Function
• Question 17
900 seconds Q. Which graph does NOT pass the vertical line test?
Graph 1
Graph 2
Graph 3
Graph 4
• Question 18
900 seconds Q.
Function
Not a Function
• Question 19
900 seconds
Q. What is the definition of function?
Has inputs and outputs
Every input has only ONE output
Inputs have different outputs every time
x-values and y-values
• Question 20
900 seconds Q. Is the graph pictured a function?