Discussion
Let 
. For what value of x does 
for all values of y?
*This question is included in Nova Press: Set D - Defined functions, question #9
. For what value of x does for all values of y?
| (A) | 0 |
| (B) | ... |
| (C) | ... |
| (D) | ... |
| (E) | ... |
| (F) | ... |
The solution is
Posted: 02/26/2014 17:31
If x not=0, then y could be any number >=0. If x=0, y must be 4. Why zero? Could u explain it, thx.
Posted: 02/28/2014 10:48
Michael, read the question again carefully. It is asking for what value of x, not what value of y (which is what your thinking is).