High School Pre-Cal

Question

What happens to the value of the function below when x approaches 4 from the left side?

F(x)= x²-5x+2

          ---------------

                x-4


A.The value increases without bound.

B.The value decreases without bound. 

C.The value approaches zero positively.

 

D.The value approaches zero negatively.

Answer 1

As x approaches 4 from the left, the numerator approaches -2 and the denominator approaches 0 from the left.  

 

So, f(x) increases without bound.

 

Answer:  A