Given the following unit learning curve equation which state

Given the following unit learning curve equation, which statement is correct?
Y=1250(X) ^-0.130582
a)The slope equals 95%
b)Y is the cost of the first unit.
c) Y represents the cost of the 1250th unit
d)The slope equals 91.35%

Can you please show me the work?

Solution

C) is correct option