Functions Question 200

Question: The points at which the function $ f(x)=\frac{x+1}{x^{2}+x-12} $ is discontinuous, are

Options:

A) ?3, 4

B) 3, ?4

C) ?1,?3, 4

D) ?1, 3, 4

Show Answer

Answer:

Correct Answer: B

Solution:

$ f(x)=\frac{x+1}{(x-3),(x+4)} $ . Hence the points are 3, ­? 4.