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Mathematics 8 Online
OpenStudy (anonymous):

Write an equation for the tangent line of the following functions: 2xsquared+5x+4 at x=a I know the derivative is 4x+5, and the answer explains it in a weird way. I found a previous problem by plugging the known quantities into y=mx+b, so I'm guessing I can do it like that. I appreciate the help!

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