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7/25/2019 Calculus 2.1
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2.1 - #1
What is the slope of the line tangent to the graph of f at (a,f(a))?
7/25/2019 Calculus 2.1
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2.1 - #2
The position of an object moving along a line is given by the fnction s(t) ! -".2$
%%t $ 2%. &in' the average velocity of the object over the folloing intervals.
(a) *, %+
(b) *, 2+(c) *, 1+(') *, 1 $ h+, here h -1 is any real nmber
7/25/2019 Calculus 2.1
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2.1 - #2 ample
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2.1 - #%
The table gives the position s(t) of an object moving along a line at time t, over a
to-secon' interval. &in' the average velocity of the object over the folloing
intervals.
7/25/2019 Calculus 2.1
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2.1 - #% ample
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2.1 - #"
/onsi'er the position fnction s(t) ! sin(0t) representing the position of an object
moving along a line on the en' of a spring. etch a graph of s ith the secant line
passing throgh (*, s(*)) an' (*.", s(*.")). 3etermine the slope of the secant line
an' eplain its relationship to the moving object.
7/25/2019 Calculus 2.1
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2.1 - #4
&or the position fnction s(t)!225t$1, complete the folloing table ith the
appropriate average velocities. Then mae a conjectre abot the vale of the
instantaneos velocity at t!*.
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2.1 - #4 ample
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2.1 - #6
a. 7raph the fnction f()!28 12 $ %4.
b. 9'entify the point (a, f(a)) at hich the fnction has a tangent line ith :ero slope.
c. /on;rm yor anser to part (b) by maing a table of slopes of secant lines to
approimate the slope of the tangent line at this point.
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2.1 - #6 ample
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2.1 - # the e'ge of a cli> an' its 'istance s (in feet) from the top of
the cli> after t secon's is s(t) ! 16t2. =ssme the 'istance from the top of the cli> to
the ater belo is 126 ft. =nser part (a) an' (b).
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2.1 - #< ample
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