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December 20, 2014

December 20, 2014

Posted by **y912f** on Friday, April 30, 2010 at 7:19pm.

a. D: Real numbers

b. D: x not equal to 0

c. D: x < 0

A?

23. State the range of the function y=2x^2

a. R: y greater than or equal to 0

b. R: x not equal to 0

c. R: y < 0

I'm not sure?

24. Is y=sqrt2x a function?

a. Sometimes

b. Yes

c. No

B?

25. Is y=3x^2-2 a function?

a. No

b. Yes

c. Sometimes

A?

43. State the domain of the function y=3/x

a. D: x not equal to 0

b. D: x < 0

c. D: all real numbers

A?

Thanks

- Algebra -
**Reiny**, Friday, April 30, 2010 at 8:21pm23. y ≥ 0

25 y = 3x^2 - 2 is definitely a function

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