SOLUTION: what is the domain of the function f(x)=sqrt x-1
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Question 551922: what is the domain of the function f(x)=sqrt x-1
Answer by nyc_function(2741) (Show Source): You can put this solution on YOUR website!
f(x) = sqrt {x-1}
The domain is all values that x can take on.
I'll set the insides greater-than-or-equal-to zero, and solve. The result will be my domain.
x - 1 ≥ 0
Adding 1 to both sides of the inequality, I get:
x ≥ 1
The domain is "all x ≥ 1."
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