Browse · MATH Print → jmc algebra junior Problem Is f(x)=2x−11+21an even function, odd function, or neither?Enter "odd", "even", or "neither". Solution — click to reveal We have that f(−x)=2−x−11+21=1−2x2x+21=1−2x1−(1−2x)+21=1−2x1−1+21=1−2x1−21=−2x−11−21=−f(x),so f(x) is an odd function. Final answer \text{odd} ← Previous problem Next problem →