Asked by Luc
What is the dormain and range of square root of x-5
Answers
Answered by
Steve
well, the radicand for sqrt(n) must be positive, so
x-5 >= 0
x >= 5
D = {x: x >= 5} or, [5,+oo)
x-5 >= 0
x >= 5
D = {x: x >= 5} or, [5,+oo)
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