Profit, or the surplus money after your costs are covered, is Revenue - Costs.
so in this case the profit P(x) = R(x) - C(x).
MATH PLEASE HELP
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Answer:
Step-by-step explanation:
Given
x - = 9 ← square both sides
(x - )² = 9²
x² - 2 + = 81 ( add 2 to both sides )
x² + = 83
Now
(x + )² = x² +
+ 2, thus
x² + = 83 + 2 = 85
(x + )²= 85 ( take the square root of both sides)
x + =