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March 28, 2015

March 28, 2015

Posted by **dave** on Tuesday, November 13, 2007 at 12:26am.

am i suppose to take the derivative? if so, then what else?

- Calculus -
**Reiny**, Tuesday, November 13, 2007 at 12:34amyes

take the derivative and sub x=1 into that, giving you the slope of the tangent

also sub x=1 into the original equation to get y, so then you have the slope of the tangent and the point of contact.

Can you find the equation of a line given the slope and a point on it??

BTW, is that supposed to say.. 5x^2 +4 ?

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