Monday
December 22, 2014

Homework Help: algebra

Posted by Josh on Friday, September 24, 2010 at 12:56pm.

the equation is f(x) = (1/sq. root of 1-x^2)

1. f(x) is never zero.
2. 0 is in the domain of f
3. All negative real numbers are in the domain of f
4. All positive real numbers are in the domain of f
5. 1 is in the domain of f
6. f(x) is never negative
7. f(x) is never positive.

which of these are true or false?

I tried drawing the graph and I came up with:
1.F
2.F
3.T
4.T
5.T
6.T
7.F

Could someone please tell me which ones I have right and wrong? I cant seem to figure this out..

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