SOLUTION: How to find the lowest approval rating and when it was with the following formula
A=2.5x^2-9.5x+48
Thank you!!! :-)
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A=2.5x^2-9.5x+48
Thank you!!! :-)
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Question 569143: How to find the lowest approval rating and when it was with the following formula
A=2.5x^2-9.5x+48
Thank you!!! :-) Answer by htmentor(1343) (Show Source):
You can put this solution on YOUR website! How to find the lowest approval rating and when it was with the following formula
A=2.5x^2-9.5x+48
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The lowest value occurs when dA/dx = 0:
dA/dx = 5x - 9.5 = 0
x = 1.9
So A(min) = 2.5*1.9^2 - 9.5*1.9 + 48 = 38.975
