1. The problem statement, all variables and given/known data Let the Complex mapping z → f(z) =(1 + z)/(1 − z) 1.What are the images of i and 1 − i and 2.What are the images of the real and the imaginary axes? 3. The attempt at a solution For i we have f(i)=(1+i)/(1-i) since i(depending on the power) can be i,-i,1,-1=>0, (1+i)/(1-i),(1-i)/(1+i) For 1 − i we have 1,-3,(2-i)/i,(2+i)/i. Not sure about the second part..