Wednesday

July 23, 2014

July 23, 2014

Posted by **Kathy** on Friday, August 5, 2011 at 5:18pm.

a. (-infinity, 4)

b. (-infinity, 4]

c. (4, infinity)

d. [4, infinity)

e. (4, 7) U (7, infinity)

- math -
**Damon**, Friday, August 5, 2011 at 5:31pm(x-7)/sqrt(4-x)

If x >4 , the result is imaginary because the denominator is the square root of a negative number so we know x<4 but we also know that the result is undefined for x = 4

so

x < 4 or from -00 to 4 not including 4

**Related Questions**

MATH - I have been trying to do this problem for a couple of days but i cant ...

Math - f(x)=root sign, and inside that x-2 and g(x)x-7. Which of the following ...

Algebra - f(x)=root sign, and inside that x-2 and g(x)x-7. Which of the ...

Algebra - Given f(x)=rootsignx-2 and g(x) = x-7 what is the domain of the ...

Algebra - Given f(x)=rootsignx-2 and g(x) = x-7 what is the domain of the ...

Algebra - Given f(x)=rootsignx-2 and g(x) = x-7 what is the domain of the ...

Algebra - Given f(x)=rootsignx-2 and g(x) = x-7 what is the domain of the ...

Algebra - Given f(x) = x - 2 and , which of the following is the domain of the...

Algebra - What is the answer? I came up with C. is this correct? Thanks for the ...

Algebra - I know what the answer is just not how to exopress it. Can someone ...