High School Pre-Cal

Question

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

 

f(x)=(x^2-5x+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

Hi Kenny,

 

As you approach x from the left side, the answer is 

 

A

 

because the value of (x-4) in the denominator gets smaller and smaller, making the value of the expression larger