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January 30, 2015

January 30, 2015

Posted by **theophilus** on Sunday, July 4, 2010 at 5:36pm.

- calculus -
**Damon**, Sunday, July 4, 2010 at 5:49pmf' = slope = 4 x -2

so

4x-2 = 2

4 x = 4

x = 1

if x = 1 then

y = 2 -2 + 1 = 1

so tangent at point (1,1) and m = 2

1 = 2 (1) + b

b = -1

so

y = 2 x - 1

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