Question

Which function's domain consists of all real numbers except -2?
f(x)=1/x+2
f(x)=2x
f(x)=2x-2
f(x)= 1/radical x+2

Answer 1

What one do you think??

Answer 2

Well it's definitely not b. or c. because they are lines and include all real numbers in the domain.

Answer 3

I think it is b

Answer 4

but Now since you said it couldn't I believe it is a

Answer 5

Thank you so much!

Answer 6

It's not a.

Answer 7

@dmndlife24 is correct.

Answer 8

It is D