Find the domain of f(x)=log7(x2−16)f(x) = \log_{7}(x^{2} - 16)f(x)=log7(x2−16).
x>4x > 4x>4
x<−4x < -4x<−4 or x>4x > 4x>4
x>16x > 16x>16
x>0x > 0x>0