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Math Help - Find the derivative.

  1. #1
    Member
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    Find the derivative.

    y= the square root of (4x+2).

    Here's what i did so far, before getting stuck:
    f'= (4x+2)^(1/2)
    (1/2)(4x+2)^(-1/2)

    Where do i go from here?
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  2. #2
    Newbie Firstone's Avatar
    Joined
    May 2008
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    You were suppose to use the chain rule. dy/dx = du/du x du/dx

    So let u = 4x + 2
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