SOLUTION: The weekly profit of a company depends on the number of employees working during the week. It is represented by the formula P = x2 + x � 10 where x is the average number of employe

Question 195076: The weekly profit of a company depends on the number of employees working during the week. It is represented by the formula P = x2 + x � 10 where x is the average number of employees working on each day of the week. For what values of �x� is the profit positive?
Answer by jojo14344(1513) (Show Source): You can put this solution on YOUR website!

Solve by Quadratic:

Solving discriminant:
Then,

, disregard

Since, x=2.7, rounding off equals x=3 employees
(should be greater than 2.7 anyway)

Check by susbtituting:

, "+", oks!

If we use x=2.7, then P=0.
If you see the graph,

Thank you,
Jojo
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