Question

The profit when selling 'x' pairs of shoes is P(x)=-4x^2+32x-39. How many pairs of shoes should be sold in order to maximize the profit

Answer 1

4 pairs of shoes.

Explanation:

Answer 2

Answer:
`4` pairs

Explanation:

Given

Profit on selling 'x' pairs of shoes is
`P(x)=-4x^2+32x-39`

Find the derivative of the function to find out the critical points

`\Rightarrow -8x+32=0\\\Rightarrow x=4`

Thus, for 4 pair of shoes profit is maximize.