Find the Marginal Profit for Producing X Units $P = - 2 x ^ { 2 } + 72 x - 145$

question 23

Multiple Choice

Find the marginal profit for producing x units. (The profit is measured in dollars.) $P = - 2 x ^ { 2 } + 72 x - 145$

• A) \(- 4 x + 72 \text { dollars }\)
• B) \(4 x + 72 \text { dollars }\)
• C) \(- 4 x - 72 \text { dollars }\)
• D) \(4 x - 72 \text { dollars }\)
• E) \(- 4 + 72 x \text { dollars }\)

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Definitions:

Control Group

In experimental research, a group of subjects that does not receive the treatment or intervention being studied and is used as a benchmark to measure the effects of the treatment.

Inactive Substance

A substance that has no intended therapeutic effects, often used as a control in experiments.

Placebo Effect

The phenomenon in which patients experience a perceived or actual improvement in their condition due solely to the psychological impact of receiving treatment, despite the treatment having no therapeutic effect.

Double-blind Procedure

An experimental technique where both the participants and the experimenters are unaware of who receives the treatment to prevent bias.