Mark M. answered 07/29/23
Tutor
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Retired math prof. Calc 1, 2 and AP Calculus tutoring experience.
1/y = 2/x - 4
1/y = (2 - 4x) / x
y = x / (2 - 4x)
Now apply the quotient rule to find y'.
Seung hyun H.
Thank you so much!07/30/23