Vending Machines Are No Longer Limited by the Need for Cash

question 150

Multiple Choice

Vending machines are no longer limited by the need for cash. In Japan, South Korea, and the Philippines, consumers use mobile phones that transmit payments to vending machines wirelessly. This is an example of how vending machines can provide which type of utility?

• A) time
• B) place
• C) possession
• D) product
• E) form

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Definitions:

Function

An alliance between a compilation of inputs and a list of legitimate outputs, where it's mandated that each input is attributed to only one output.

Domain

All possible values of x for which a given function is defined.

Composition

In mathematics, composition is the application of one function to the result of another, denoted as \((f \circ g)(x) = f(g(x))\).

Composition

The process of combining two functions by applying one function to the results of another.