How many real numbers are not in the domain of the function
f(x) = 1/(x - 64) + 1/(x^2 - 64) + 1/(x^3 - 64) + 1/(x^4 - 64)
Any number that makes a denominator equal to zero (not allowd) will not be in the domain,,,
64 8 and -8 4 sqrt 8 and - sqrt 8