Question

25. If f(x) = 1/1-x, then f'(x) is
(a) 1-x
(b) (x-1)/x
(c) x/(x-1)
ANSWERS
Exercise 7A​

Answer 1

Answer:

f(x)= 1/1-x

1/1-x=0

1-x=0

-x=-1

x=1

Therefore answer is 1-x

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Step-by-step explanation:

Answer 2

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