I got the derivative, but how do you find the slope of the tangent line from those points?

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- Oct 5th 2013, 07:35 PMrhcprule3Find the tangent line of 6x/x+5 at the point (3, 2.25)
I got the derivative, but how do you find the slope of the tangent line from those points?

- Oct 5th 2013, 08:06 PMhollywoodRe: Find the tangent line of 6x/x+5 at the point (3, 2.25)
You just plug x=3 into the derivative to get the slope of the tangent line. I assume you mean y=6x/(x+5).

What did you get for the derivative?

- Hollywood - Oct 5th 2013, 08:31 PMrhcprule3Re: Find the tangent line of 6x/x+5 at the point (3, 2.25)
thanks, btw i got 30/(x+5)^2 for the derivative

- Oct 5th 2013, 09:57 PMibduttRe: Find the tangent line of 6x/x+5 at the point (3, 2.25)