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June 30, 2015

Homework Help: math

Posted by anonymous on Monday, August 3, 2009 at 8:17pm.

Identify the domain and range of the following:

f(x) = 4-x^2, -5<x<-1
3/2x + 3/2, -1<x<3 (both "<" signs are actually less than or equal to)
x+3, 3<x<10 (x<10 is actually less than or equal to)

All three are in a set. I'd like to say that the domain is all real numbers greater than -5 and less than or equal to 10, but I'm not sure. Also, how do you find the range with these types of functions?

Thank you!

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