Function Discontinuity: f(x) = (x²-3x-4)/(x²+3x-4)

Mechanical Engineering > GATE 2016 SET-2 > Calculus

The values of x for which the function
f(x) = (x² - 3x - 4) / (x² + 3x - 4)
is NOT continuous are

4 and -1

4 and 1

-4 and 1

-4 and -1

Correct : c

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