Browse · harp Print → smc algebra intermediate Problem A positive number x satisfies the inequality x<2x if and only if (A) x>1/4 (B) x>2 (C) x>4 (D) x<1/4 Solution — click to reveal x<2xx<4x20<x(4x−1)0<4x−11<4xx>41x>41 Note: You can also draw a rough sketch. Final answer A ← Previous problem Next problem →