Functions Worksheet With Answer Key Page 3
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10Name: ________________________
ID: A
____
7. The profit y from selling x muffins can be represented by a linear function. The profit from selling 5 muffins
is $4. The profit from selling 7 muffins is $8. What is the slope of the line represented by the data?
a.
c.
b.
1
d.
2
____
8. Which equation represents the function shown in the input-output table below?
a.
c.
b.
d.
____
9. Which description is a correct way to solve the equation below?
a.
Subtract 4.3 from both sides then divide both sides by 5.
b.
Add 4.3 to both sides then multiply both sides by 5.
c.
Subtract 4.3 from both sides then multiply both sides by 5.
d.
Add 4.3 to both sides then divide both sides by 5.
____ 10. Which point appears on the graph of the function below?
a.
(0, 0)
c.
(3, 0)
b.
(0, 3)
d.
(–3, 0)
____ 11. What is the value of w in the equation below when
?
a.
2.3
c.
57.7
b.
38.3
d.
114.3
List the ordered pairs shown in the mapping diagram.
____ 12.
a.
(8, 9), (12, 16), (16, 23), (20, 2)
c.
(2, 8), (9, 12), (16, 16), (23, 20)
b.
(2, 20), (9, 16), (16, 12), (23, 8)
d.
(8, 2), (12, 9), (16, 16), (20, 23)
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