Infants' Repetition of Certain Syllables at the Age of About

question 143

Multiple Choice

Infants' repetition of certain syllables at the age of about 6 or 7 months is called _____.

• A) cooing
• B) holophrasing
• C) gurgling
• D) babbling

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Definitions:

Marginal Cost

Marginal cost is the additional cost incurred from producing one extra unit of a good or service, an important concept in economics for determining optimal production levels.

Average Total Cost

The total cost of production (fixed and variable costs combined) divided by the quantity of output, a key factor in pricing and profitability analyses.

Marginal Revenue

The additional income generated from selling one more unit of a product or service.

Profit-Maximizing

A strategy or point where a firm produces at a level where its marginal cost equals marginal revenue, maximizing its profit.