The domain of the equation y = 3x/(x^2 - 5x - 4) is the set of all real numbers with the exception of the values x = A and x = B. What is A + B?
The exceptions occur when the denominator is zero:
x2 - 5x - 4 = 0 ---> (x - 4)(x - 1) = 0 ---> x = 4 and x = 1.
Can you complete the problem?