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ezhyl_marieBest ResponseYou've already chosen the best response.0
what is the value of x?
 2 years ago

funinaboxBest ResponseYou've already chosen the best response.0
is f(x) = x/x + 1? or is f^1(x)= x/x +1?
 2 years ago

funinaboxBest ResponseYou've already chosen the best response.0
well in any case, use the quotient rule where if you a function h defined as f/g then d/dx h = (f' * g  f * g') / g^2
 2 years ago

ezhyl_marieBest ResponseYou've already chosen the best response.0
..............x f(x) =  ..........x + 1 ........x y =  ......x + 1 ........y x =  ......y + 1 x(y + 1) = y xy + x = y xy  y =  x y(x  1) =  x ...........x y =   .........x  1 .................x f⁻¹(x) =   answer// ................x  1 bye..
 2 years ago

lukmanshafaBest ResponseYou've already chosen the best response.0
i got dat but it wasn't d ans
 2 years ago

funinaboxBest ResponseYou've already chosen the best response.0
you need to use the quotient rule next: x = f, x+1 = g d/dx x/x+1 = [1(x+1)  x(1)]/(x+1)^2 1/(x+1)^2
 2 years ago

lukmanshafaBest ResponseYou've already chosen the best response.0
yeah i got it now but it wasnt ur ans funinabox it was 1/(1x)^2
 2 years ago

funinaboxBest ResponseYou've already chosen the best response.0
then you typed the problem wrong
 2 years ago

funinaboxBest ResponseYou've already chosen the best response.0
then the answer is wrong 1/(1+x)^2 is the correct answer.
 2 years ago

lukmanshafaBest ResponseYou've already chosen the best response.0
but i got the marks
 2 years ago

funinaboxBest ResponseYou've already chosen the best response.0
i think i know what's up f(x) = x/x + 1 it's not f^1(x) = x/x + 1 as was stated that way, when you do find the inverse, you get x/1x, which would give you the derivative you posted.
 2 years ago
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