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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?

 Feb 21, 2022
 #1
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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?

 Feb 21, 2022

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