SOLUTION: Why is f(x)=|x+3| why is domain and range all real numbers

Question 1059094: Why is f(x)=|x+3| why is domain and range all real numbers
Answer by ikleyn(52798) (Show Source): You can put this solution on YOUR website!
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Why is f(x)=|x+3| why is domain and range all real numbers
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1.  Why f(x)=|x+3| has the domain all real  numbers ?

    f(x) = |x+3| has the domain "all real numbers" because it defined for all real numbers.


2.  Why f(x)=|x+3|  has the range all real  numbers ?

    It is INCORRECT.

    f(x)=|x+3|  has the range all real  NON-negative numbers .

Plot y = |x + 3|

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