Kay R.

asked • 04/23/17

need help with a maximum question

f(x)= -x^2+10x+32

1 Expert Answer

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Mark M. answered • 04/23/17

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Maximum occurs at x = -b/2a,
Maximum occurs at x = 5.
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Kay R.

John owns a hot dog stand. His profit, in dollars, is given by the function Upper P left parenthesis x right parenthesis equals negative x squared plus 10 x plus 32 commaP(x)=−x2+10x+32, where x is the number of hot dogs sold. What is the most he can earn?
 
This was the problem.  Got the 5 for maximum, but can't go any further.
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04/23/17

Arthur D.

tutor
f(5)=-52+10(5)+32
f(5)=-25+50+32
f(5)=-25+82
f(5)=$57.00
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04/23/17

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