what is the domain of f(x)= x^2+28/x

Question

state the domain in interval notation.

Answer 1

f(x) = x² + 28/x, the domain is the set of values of "x" for which the function has meaning.

 

"x" may be any real number except for zero.

 

D = { (-oo, 0] U [ 0, oo ) }