Posted by **christina** on Thursday, May 24, 2012 at 9:59pm.

6. Determine the domain and range for each function given. Explain where any restrictions come from.

a. f(x)= sqrt x + 5 – 4

b. f(x) = 1/2x^2 – 32

c. f(x) = 4/x^2 + 1

- math -
**Steve**, Friday, May 25, 2012 at 12:23am
a. if that's sqrt(x+5), then domain is x >= -5

b. denominator cannot be zero, so all reals except -4,4

c. all reals

## Answer This Question

## Related Questions

- algebra - 1 (a) A function passes through the points (0, -5), (1, 0), (2, 7). ...
- Calculus - Find the sum and difference functions f + g and f – g for the ...
- calcius - Determine whether the relation represents a function. If it is a ...
- alg 1 - Quadratic graphs and their properties: Identify the domain and range of ...
- Math - HELP PLEASE!!! I'm having some trouble with this question on my Maths hw...
- algebra - Find the domain and range of the relation and determine whether it is ...
- math - Consider the function f(x)= 3 ------. x^2-25 a) Determine any ...
- math - questions involving domain and range... 1. Find the domain of the ...
- math (2nd Try) - You have 6 cups of sugar. It takes 1 cup of sugar to make 24 ...
- Math - For the set of ordered pairs, state the domain, range, and determine ...

More Related Questions