Saved Bookmarks
| 1. |
If `f(x)=(x-1)/(x+1)` then `f(2x)` is equal toA. `(1+f(x))/(3+f(x))`B. `(1+3f(x))/(3+f(x))`C. `(3+f(x))/(1+f(x))`D. `(1+3f(x))/(3-f(x))` |
| Answer» Correct Answer - B | |