Question

Find the domain of each function:
f(x)=((x+6)(x-6))/(x^2+36)

Answer 1

well you can put any real number into the denominator and get a non zero value...

so how do you think that can be used to describe the domain..?

Answer 2

Would that mean it would be infinity?

Answer 3

it means R

Answer 4

well there are an infinite number of choices...


but you can just say, all real x

Answer 5

okie dokie :) Thank you! :)