Which of the Following Returns the Fourth Character in the String

question 52

Multiple Choice

Which of the following returns the fourth character in the string variable named str and checks if there is a fourth character in the string?

• A) str3);
• B) str.at3);
• C) str[3];
• D) All of the above

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Definitions:

Marginal Product

The additional output generated by employing one more unit of a specific input, while holding other inputs constant.

Labor

The effort of humans, including both physical and mental labor, utilized in creating goods and providing services.

Marginal Product

The increase in output resulting from a one-unit increase in the amount of a single input while holding other inputs constant.

Average Product

The total output produced per unit of a factor of production, calculated as total product divided by the quantity of the factor used.