Which equation represents a tangent function with a domain

Last updated: 7/9/2022

Which equation represents a tangent function with a domain of all Real numbers such that x≠π/4+π/2n, where n is an integer? f(x)=tan(2x - π) g(x)=tan(x - π) h(x)=tan(x-π/2) j(x)=tan(x/2-π)