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Question

Question
Multiple Choice
Find the correct table of values for the following function:  y = x – 3
(1 point)
Responses

x y
10 8
8 6
6 4
x y 10 8 8 6 6 4

x  y
10  13
8  11
6 9
x  y 10   13 8  11 6 9

x y
10 7
8 5
6 3
x y 10 7 8 5 6 3

x y
10 3
8 3
6 3
x y 10 3 8 3 6 3
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Answer 1

The correct answer is:

x y 10 7 8 5 6 3

Answer 2

Evaluate the function for x = 2: f(x) = 7x – 5
(1 point)
Responses

9
9

19
19

–9
–9

–19
–19
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Answer 3

The correct answer is 9.

Answer 4

Candy is on sale for $0.75 each. You have a coupon for $0.25 off your total purchase. Write a function rule for the cost of n pieces of candy.
(1 point)
Responses

C(n) = 0.25n – 0.75
C ( n ) = 0.25 n – 0.75

C(n) = 0.75n – 0.25
C ( n ) = 0.75 n  – 0.25

C(n) = 1.0n
C ( n ) = 1.0 n

C(n) = 0.75n
C ( n ) = 0.75 n
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Answer 5

The correct answer is:

C(n) = 0.75n – 0.25

Answer 6

The ordered pairs (0, 0), (2, 4), (4, 8), and (6, 12) represent a function. What is the rule for this function?
(1 point)
Responses

y = x +2
y = x +2

y = 3x
y = 3 x

y = x + 4
y = x + 4

y = 2x
y = 2 x
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Answer 7

The correct answer is:

y = 2x