Wednesday

January 28, 2015

January 28, 2015

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

**Answer this Question**

**Related Questions**

algebra - Find the domain and range of the relation and determine whether it is ...

algebra - Find the domain and range of the function. 1. f(x)= x^2-x I got: ...

calcius - Determine whether the relation represents a function. If it is a ...

Algebra (Last Question) - I have - to graph each relation - decide if it is a ...

Algebra 1-- Please, check my answers! - 1. What is ((-12x^6 + x)) / ((-4x^2))? ...

Algebra - Give the domain and range. y=(x+)^2-7 answer: y=(x+4)(x=4)-7 y=(x^2+8x...

algebra - can someone help me find the domain and range of the function f(x)=3(x...

Pre Cal. - State the doman and range of the relation y= Arc tan x Domain: All ...

Algebra - 23. The ___ axis represents the independent variable. X? 21. Name the ...

Algebra 2 - 3. Identify the vertex and the axis of symmetry of the graph of the ...