how would i do this word problem?
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the barbers profit p each week depends on his charge c per haircut. its modeled by the equation p=-200c^2+2400c-4700. sketch graph of the equation and what price is the largest profit

Question

how would i do this word problem? 
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the barbers profit p each week depends on his charge c per haircut. its modeled by the equation p=-200c^2+2400c-4700. sketch graph of the equation and what price is the largest profit

harman.singh · Answer

Your equation is in the form of a quadratic function y = -200x^2 + 2400x - 4700 If you need help sketching, have a look here: http://bit.ly/1F2VNSt Also, the largest profit would occur at the turning point or the vertex