The domain of the function is?

Question

f(x)= x+11

______________

xsquared-4

Answer 1

Domain means list all possible x values

x can have any values except values that make the denominator equal zero.

The denominator x^2 - 4 can be factored as (x+2) (x-2)

So x can not equal 2 or -2

Solution : All reals except 2 or -2

Good luck to you !!

Answer 2

x cannot be 2 or -2