Let f x is the function such that as x approaches a real number-18498

Let f(x ) is the function such that as x approaches a real number,either from left or right hand side,the function value increase or decrease unboundedly then lim f(x)

This multiple choice question (MCQ) is related to the book/course vu mth101 Calculus And Analytical Geometry. It can also be found in vu mth101 Final Term - Quiz No.12.