Functions Review Worksheet With Answers Page 5
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6____ 19. Use the table below. Which linear function relates y to x?
x
1
3
5
7
9
11
9
7
5
3
y
c. y = –x + 12
a. y = 11x
b. y = –2x + 13y
d. y = x – 2
____ 20. What value of x makes the equation below true?
4x + 8 = 18 + 2x
a. 2.5
c. 6.5
b. 5
d. 13
____ 21. 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
Numeric Response
Find the value of y for the given value of x.
1.
;
x = 8
2. The table shows the number y of muffins baked in x pans. What is the missing y-value that makes the table
represent a linear function?
Find the value of x for the given value of y.
3.
;
y = 34
4. The table shows the cost y (in dollars) for x theater tickets. Find the missing y-value that makes the table
represent a linear function.
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