Choose a rational function with a removable discontinuity. A f(x)=x+1x+2f\left(x\right)=\frac{x+1}{x+2}f(x)= x+2 x+1 B g(x)=xx
2g\left(x\right)=\frac{x}{x^2}g(x)= x 2 x C h(x)=2x2−2x+1h\left(x\right)=\frac{2}{x^2-2x+1}h(x)= x 2 −2x+1 2 D j(x)=2xx2−1j\left(x\right)=\frac{2x}{x^2-1}j(x)= x 2 −1 2x
