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Chapter 4 section 4
| Question | Answer |
|---|---|
| transformation | one to one correspondence of a preimage and the points of an image |
| size change of a transformation | for any k not equal to 0 the transformation that maps (x,y) onto (kx,ky) is called the sixe change with center (0,0) and magnitude k, is denoted ssubk. ssubk(x,y)=(kx,ky) |
| matrix for s sub k | [k o] 0 k |