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OpenStudy (anonymous):
please please help! what is the maximum value of the function y = -x^2 + 10x - 31?
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OpenStudy (anonymous):
the options are -31, -6, -5, 5, and 56
OpenStudy (anonymous):
You can find maximum value using this formula Y=-(b^2-4ac)/4a Which a, b and c are ax^2+bx+c=0
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