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Identity Function

The identity ...

Question

The identity function is mathematically represented by the formula

y = 1

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y = x^{2}

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y = | x |

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y = x

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Solution

The correct option is D $y = x$
Identity function is the name of the function f(x) = $y = x$
Modulus function is the name of the function f(x) = $y = | x |$
Quadratic function is the name of the function f(x) = $y = x^{2}$

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