What is the name of the curve given by y= 1/ 1−x? Find an equation of the tangent line to this curve at the point
(1, 1/2)

a) Witch of Maria Agnesi; y= x/2
b) Witch of Maria Agnesi; y=2x− 3/2
c) Witch of Maria Agnesi; y=−2x+ 5/2
d) None of the above