Question

What are the restrictions of the domain of the function F(x) = 1/x^2-9

Answer 1

the domain represents the number of hours Albert has walked in the walkathon

Explanation:

PLATO,EDMENTUM

Answer 2

`f(x)=(1)/(x^2-9)`

The denominator can't be equal to 0.

`x^2-9 \\ot= 0 \\ x^2 \\ot= 9 \\ x \\ot= -3 \ \land \ x \\ot= 3`

The domain is all numbers except -3 and 3.

`x \in \mathbb{R} - \{-3, 3 \}`