19

nihalpatel

x^2-16/x+4 (a) for what value of x does the graph exhibit a hole (b)graph the function f and show the hole in the graph
hellpppp me plz

Question

19

nihalpatel

x^2-16/x+4 (a) for what value of x does the graph exhibit a hole (b)graph the function f and show the hole in the graph 
hellpppp me plz

tyteen4a03 · Answer

Plug in values and see which value of x would make it look like $\frac{things}{0}$.

anonymous · Answer

i tired but did not do well

tyteen4a03 · Answer

Solve this equation: x + 4 = 0. Then, look at your fraction again.

anonymous · Answer

x=-4

tyteen4a03 · Answer

@nihalpatel Then there goes your answer - if the value of x makes the denominator zero, it is the asymptote (hole) you're looking for because division by zero is undefined.

anonymous · Answer

oh ok thanks a lots