SOLUTION: Consider the function f(x)=√(x^2-1) What is the domain for f(x)? Solve the equation I need help with this question. Thanks

Algebra ->  Functions -> SOLUTION: Consider the function f(x)=√(x^2-1) What is the domain for f(x)? Solve the equation I need help with this question. Thanks      Log On


   

Question 1021485: Consider the function
f(x)=√(x^2-1)
What is the domain for f(x)?
Solve the equation
I need help with this question.
Thanks
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
The domain of x is where the radical cannot be negative. It may be 0.
This is possible for all x greater than or equal to 1 or less than or equal to minus 1.
The domain does not include (-1,1)
graph%28300%2C200%2C-10%2C10%2C-10%2C10%2Csqrt%28x%5E2-1%29%29