GRE Question of the Day (October 14th)

Math

Which of the following has exactly one solution ??

A. \({x|x|=2^x}\)

B. \({x+|x|=2^x}\)

C. \({2|x|=2^x}\)

D. \({2|x|=2x-1}\)

E. \({|x+2|=-x}\)

Correct Answer - E - (click and drag your mouse to see the answer)

Question Discussion & Explanation