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This printable supports Common Core Mathematics Standard HSF-IF.A.1

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# Function Identification (Grade 10)

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## Function Identification

1.
The equation $y=3/4x$ is a function.
1. True
2. False
2.
Which of these equations is not a function?
1. $y=x^2$
2. $x=3$
3. $y=4x+3$
4. $f(y)=4y^2 -2$
3.
A function must pass the                                  test.
4.
The ordered pairs
(2,3)
(3,4)
(5,2)
(3,3)
(4,1)
are part of a function.
1. True
2. False
5.
$y=5x+2$ is a function.
1. True
2. False
6.
Jack earns $12/hr. He works 5 shifts each week that are each 8 hours long. The bus costs him$2.50 each time he goes to work. Jack's weekly earnings can be represented by a function.
1. True
2. False
7.
The ordered pairs
(1,2)
(2,3)
(3,2)
(4,3)
(5,2)
represent a function.
1. True
2. False
8.
Jack counts his steps and times himself as he walks across the football field.

This is
1. not a function
2. a continuous function
3. a discrete function
4. a partial function
9.
A function showing the changing altitude of a flying airplane would be a continuous function.
1. True
2. False
10.
An equation which represents a bouncing ball would
1. not be a function.
2. be a continuous function.
3. be a discrete function.
4. be a partial function.
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