SOLUTION: Given the function, find it's domain. f(x) = (6 x+11)/(x^2 -1 x -12)

Algebra ->  Functions -> SOLUTION: Given the function, find it's domain. f(x) = (6 x+11)/(x^2 -1 x -12)      Log On


   

Question 1121433: Given the function, find it's domain.
f(x) = (6 x+11)/(x^2 -1 x -12)
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
f(x) = (6 x+11)/(x^2 -1 x -12)

%286x%2B11%29%2F%28%28x%2B3%29%28x-4%29%29

Denominator must not be 0.
x%3C%3E-3 and x%3C%3E4.

Domain is all real numbers in x%3C-3 and -3%3Cx%3C-4 and 4%3Cx.

Answer by ikleyn(52809) About Me  (Show Source):
You can put this solution on YOUR website!
.
The correct answer is THIS: 

    The domain is the set of all real numbers except of x= -3  and  x= 4.