Question

Help! The function f(x)=1/((x^2)−4) is not defined at these x values:

Answer 1

\[f(x)= \frac{ 1 }{ x^2 - 4 }\]

Answer 2

To solve this, you set the denominator equal to 0. Then you just solve for x.

Answer 3

Then the x you get is the x value that is undefined.

Answer 4

I got x= \[\sqrt{5}\]

Answer 5

But it said it's wrong

Answer 6

What minus 4 equals 0?

Answer 7

x^2-4=0. Try solving for that. You should get two answers.

Answer 8

plus or minus 2?

Answer 9

Correct!

Answer 10

Thanks!!!

Answer 11

Yep! Good job!

Answer 12

No problem, glad both sunny and I could help!