Solve the Problem $C ( x )$ , and the Revenue Function

question 29

Multiple Choice

Solve the problem.
-Given the cost function, $C ( x )$ , and the revenue function, $R ( x )$ , find the number of units $x$ that must be sold to brea
$$\begin{array} { l } C ( x ) = 1.3 x + 840 \\R ( x ) = 1.9 x\end{array}$$

• A) 1400 units
• B) 1420 units
• C) 337 units
• D) 1410 units en.

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