SOLUTION: state the domain. f(x)= x+3 / x^2 + 8x +15

Question 371753: state the domain.
f(x)= x+3 / x^2 + 8x +15
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
The domain means allowable values of x...
In the function

all values are allowed for x, EXCEPT those that make the denominator go to zero...
If we solve the denominator for zero via (x+3)(x+5)=0, we find that x cannot be -3 or -5...
Thus the domain is all real except x cannot be -3 or -5
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