Question and answer
For the given equation, y = 4|x| - 1, what is the value of y for x = 2? a. 6 c. -4 b. 4 d. 7
Question
Asked 11/15/2014 9:09:36 PM
Updated 11/16/2014 3:12:17 AM
2 Answers/Comments
This conversation has been flagged as incorrect.
Flagged by janezeshun [11/16/2014 3:10:02 AM]
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Original conversation
User: For the given equation, y = 4|x| - 1, what is the value of y for x = 2? a. 6 c. -4 b. 4 d. 7

Weegy: 4/7 - (-4/7)

= ((4 ? 7) - (-4 ? 7)) / (7 ? 7)

= (28 - (-28)) / 49

= 56/49

= 8/7

= 1 1/7


User: You put $100 in a stock that increases in value by 20% each year. The function v = 100(1.2)x describes the value v of the stock after x years. Evaluate the function for x = 2. What does the value represent?

Question
Asked 11/15/2014 9:09:36 PM
Updated 11/16/2014 3:12:17 AM
2 Answers/Comments
This conversation has been flagged as incorrect.
Flagged by janezeshun [11/16/2014 3:10:02 AM]
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5
For the given equation, y = 4|x| - 1, 7 is the value of y for x = 2.
When x = 2
y = 4*|x| - 1
y = 4*2 - 1
y = 8 - 1
y = 7
Added 11/16/2014 3:09:57 AM
This answer has been confirmed as correct and helpful.
Confirmed by sujaysen [11/16/2014 9:18:50 AM]
5

User: You put $100 in a stock that increases in value by 20% each year. The function v = 100(1.2)x describes the value v of the stock after x years. Evaluate the function for x = 2,the value represent is $240.
when x = 2
v = 100*1.2*2
v = 200*1.2
v = 240
Added 11/16/2014 3:12:17 AM
This answer has been confirmed as correct and helpful.
Confirmed by sujaysen [11/16/2014 9:21:12 AM]
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