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January 29, 2015

January 29, 2015

Posted by **Anonymous** on Saturday, October 8, 2011 at 1:32pm.

(a) Find the average velocity over the given time intervals.

(i) [1, 2]

(ii) [1, 1.5]

(iii)[1, 1.1]

(iv) [1, 1.01]

(v) [1, 1.001]

(b) Estimate the instantaneous velocity when t = 1.

- Calculus -
**Anonymous**, Saturday, October 8, 2011 at 1:34pmthe equation is y= 7t-1.86t^2

- Calculus -
**Steve**, Saturday, October 8, 2011 at 6:12pmTo get the average velocity (m/s), on the interval [a,b] just calculate [y(b)-y(a)]/(b-a) -- in other words, how far it moved (distance), divided by how long it took (time)

I figure you can probably do that. You are, after all, taking calculus, so your algebra I should be OK.

The results in steps i-v should show a sequence converging on y'(1) where

y'(t) = 7 - 3.72t

y'(1) = 3.28

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