Explain why the function is discontinuous at the given number a . sketch the graph of the function f(x) {1/x+2, 1. If x= -2 if x=-2 a=-2

Question

I am so lost please help 

Answer 1

The denominator of a fraction cannot be 0 (zero). For this functions, if x = -2 the function does not have a value - it is discontinuous - i.e., it is a curved line with a "hole."

 

One way to make the function continuous is to define the value of f(-2). It is is f(-2) = -2.