What is the domain of f(x)=log5(x2−16)f(x) = \log_5(x^2 - 16)f(x)=log5(x2−16)?
x>4x > 4x>4
x<−4x < -4x<−4 or x>4x > 4x>4
x>16x > 16x>16
xeq±4x eq \pm 4xeq±4