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Question

Find the domain and range of the real function f. defined by
f(x)=|x1|

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Solution

Step 1:
Given f(x)=|x1|

Step 2:Domain of function
Clearly, the function |x1| is defined for all real numbers.
Hence, Domain of function =R

Step 3:Range of function
Output of a Modulus function is always non-negative.
f(x) will take non-negative real numbers.
Range of function [0,).

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