Question

find the domain of each of the following real function f(x)=x³-8÷x²-1

Answer 1

Answer:

The domain of f(x) is R-{-1,1}

Step-by-step explanation:

Given function f(x)=x³-8÷x²-1

The function exist for x^2 -1 is not equal to zero

(x+1) (x-1) is not equal to zero

x+1 is not equal to zero ( or ) x-1 is not equal to zero

x is not equal to -1 ( or ) x is not equal to 1

x is not equal to -1 , 1

Therefore The domain of f(x) is R-{-1,1}