What are the general rules for finding domain and range? Walk me through... Find Domain: f(x)= sqrt(4-x)/(x+1) (x^2+1) Find Range: f(x)= 5+sqrt(4-x)
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Originally Posted by renae What are the general rules for finding domain and range? Walk me through... Find Domain: f(x)= sqrt 4-x/(x+1) (x^2+1) Now .
Yeah, I know that, but how would I write it? I have down: (-inf, 4) U (4,0) which i know to be completely and utterly wrong, but I just get so confused on trying to write those.
From we get or . But (else the denominator is 0). So, we must eliminate -1 from the interval. Then or
Originally Posted by renae Find Range: f(x)= 5+sqrt(4-x) Then the range is
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