Solve the Problem $$\begin{array} { l } C ( x ) = 0.4 x + 450 \\R ( x ) = 0.9 x\end{array}$$

question 5

Multiple Choice

Solve the problem.
-Given the cost function, C(x) , and the revenue function, R(x) , write the profit function from producing and selling x units of the product. $$\begin{array} { l } C ( x ) = 0.4 x + 450 \\R ( x ) = 0.9 x\end{array}$$

• A) \(P ( x ) = 0.5 x - 450\)
• B) \(P ( x ) = 0.5 x + 450\)
• C) \(P ( x ) = - 0.5 x - 450\)
• D) \(P ( x ) = - 0.5 x + 450\)

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Definitions:

Stroop Task

A psychological test of attention and interference where participants must say the color of the word being displayed, which can be incongruent with the word's meaning.

Phonemes

The smallest unit of sound in a language that can distinguish one word from another in a given language.

Morphemes

The smallest meaningful units of language.

Stroop Effect

A cognitive phenomenon demonstrating the interference in reaction time when the color of words on a test and the words themselves have different meanings.