Consider the Expressions T − G and Y − T

question 195

Multiple Choice

Consider the expressions T − G and Y − T − C. Which of the following statements is correct?

• A)Each one of these is equal to national saving.
• B)Each one of these is equal to public saving.
• C)The first of these is private saving; the second one is public saving.
• D)The first of these is public saving; the second one is private saving.

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Definitions:

Function

A mathematical relationship in which each input value has exactly one output value.

Horizontal Line Test

A method used to determine if a function is injective or one-to-one, based on whether any horizontal line intersects the graph more than once.

One-to-One

A function for which every element of the range of the function corresponds to exactly one element of the domain.

Inverse Function

A function that reverses the operation of a given function, swapping the roles of its inputs and outputs.