Given f(x)=2xf(x) = 2^xf(x)=2x, what is the domain of g(x)=log10(f(x)−4)g(x) = \log_{10}(f(x) - 4)g(x)=log10(f(x)−4)?
x>0x > 0x>0
x>2x > 2x>2
x>log2(4)x > \log_2(4)x>log2(4)
x>4x > 4x>4