Identify the domain of f(x)=log10(x2−9)f(x) = \log_{10}(x^2 - 9)f(x)=log10(x2−9).
x>3x > 3x>3
x>0x > 0x>0
x<−3x < -3x<−3 or x>3x > 3x>3
x>−3x > -3x>−3 and x<3x < 3x<3