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For the given equation, y = 3x^2 - 6 , what is the value of y for x = 2
Question
Asked 4/2/2014 6:39:45 PM
Updated 4/3/2014 7:42:02 AM
3 Answers/Comments
This conversation has been flagged as incorrect.
Flagged by yeswey [4/3/2014 7:37:05 AM]
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User: For the given equation, y = 3x^2 - 6 , what is the value of y for x = 2

Weegy: (3x-2) squared is 9x^2 - 12x + 4.
twistedechoes|Points 46|

User: Without graphing, predict whether the function, y = 5x, shows exponential growth or decay.

User: Is the point (4, 16) on the graph of the function y = 4x?

Weegy: First you need to figure out any two points on the line y = -3/4x ? 2, we can choose the point (0, -2) and the point (-8/3, 0), then you can just connect these two points, the line is right the graph for the equation y = -3/4x ? 2
yeswey|Points 8076|

User: For the given equation, y = 0.2(3)^x , what is the value of y for x = 2?



Question
Asked 4/2/2014 6:39:45 PM
Updated 4/3/2014 7:42:02 AM
3 Answers/Comments
This conversation has been flagged as incorrect.
Flagged by yeswey [4/3/2014 7:37:05 AM]
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3
y = 3x^2 - 6
when x = 2, y = 3(2^2) - 6 = 12 - 6 = 6
Added 4/3/2014 7:37:50 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [4/3/2014 7:45:26 AM]
3
Yes, the point (4, 16) is on the graph of the function y = 4x.
When x = 4, y = 4(4) = 16
Added 4/3/2014 7:40:55 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [4/3/2014 7:45:28 AM]
3
When x = 2,
y = 0.2(3)^x = 0.2(3)^2 = 0.2(9) = 1.8
Added 4/3/2014 7:42:02 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [4/3/2014 7:45:27 AM]
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