The forums are organized by area of study, starting from very early "Arithmetic", progressing through pre-algebra and algebra levels, and up past calculus and differential equations. Pick the area that matches what you're studying right now.Uh, I don't really get how this site is organized.
How did they do the proofs in their worked examples? What method are you expected to use? Thank you!I have plotted the aforementioned function curves of f(x) with different c, and found that it seems to be monotony function. However, it is too hard to me to prove it. May you help me ?