Question

How do you differentiate `y= e^(1-x)`?

Answer 1

I found: `y´=-e^(1-x)`

Explanation:

Here we can use the Chain Rule deriving the exponential first without considering the exponent (red) times the derivative of the exponent (blue):

`y´=color(red)(e^(1-x))*color(blue)((-1))=-e^(1-x)`