Question

What type of function maps an input onto itself?

Answer 1

An identity function maps an input onto itself.

Step-by-step explanation:

An identity function maps an input onto itself. It is a function where the output value is equal to the input value. The equation y = x represents an identity function. For example, if the input is 5, then the output is also 5.

Identity functions can be represented by graphs with a straight line passing through the origin, with a slope of 1. The line represents the equality between the input and output values.

Other examples of identity functions include f(x) = 3x + 2, g(x) = x2, and h(x) = √x, among others.

Answer 2

(identity function)

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