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Mathematics 9 Online
OpenStudy (dumbsearch2):

What is the domain of the function y = x + 7? A. All real numbers B. x ≥ 7 C. x ≤ 7 D. x ≥ -7

OpenStudy (dumbsearch2):

@ganeshie8 May you please help? Thank you :)

OpenStudy (anonymous):

All real numbers

jimthompson5910 (jim_thompson5910):

Agreed. You can plug in any number you want for x to get some output for y. You don't have to worry about dividing by zero or taking the square root of a negative number. So there are no restrictions on x.

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