Question

In the function f (x) = = (x²-1) / (x-1), what happens if x takes the value of 1? Explain your answer.

Answer 1

If x=1, then f(x)= undefined

Explanation:

1*1=1

1-1=0

0/0

You can't divide by 0, so anything that is divided by 0 is undefined.

((1*1)-1)/(1-1)

(1-1)/(1-1)

0/0

0/0=Undefined

f(x)= undefined