Let be a linear transformation from to .

Determine whether or not is one-to-one in each of the following situations:

 1. Suppose , , .
 2. Suppose , , , where are vectors in .
 3. Suppose is an onto function

A. T is a one-to-one function
B. T is not a one-to-one function
C. There is not enough information to tell

You can earn partial credit on this problem.