Posted by Hank on Friday, February 10, 2012 at 9:26pm.
Find the derivative of
y = 3x+2/x+1

Calculus  Jana, Friday, February 10, 2012 at 9:48pm
y=3+2lnx

Calculus  Reiny, Friday, February 10, 2012 at 11:57pm
y = 3x + 2(x+1)^1
dy/dx = 3 2(x+1)^2 or
= 3  2/(x+1)^2

Calculus  Steve, Saturday, February 11, 2012 at 5:08am
y = (3x+2)/(x+1)
y' = [(3)(x+1)  (3x+2)(1)]/(x+1)^2
= (3x + 3  3x  2)/(x+1)^2
= 1/(x+1)^2
See what a difference proper punctuation makes? Three reasonable interpretations of your problem, all giving different solutions.
USE PARENTHESES FOR CLARITY!
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