14B_Worksheet__4_Elasticity_and_Curve_Sketching
December 10, 2010
Worksheet #4
Bus 14B
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Part A:
Given a demand function:
D(x) = .6X + 96
or p = .6X + 96
a)
Rewrite and graph the demand function with “p” as the
independent variable.
f)
On the graph of D(p) and R(p), label the areas of
inelasticity, unit, and elastic.
g)
When the price changes from $83 to $35, find
the percent change in quantity, the percent change in
price, and the elasticity.
b)
Write and graph
the revenue function with “p” as the
independent variable.
h)
Find the quantity and price to maximize revenue.
Also find the max revenue.
c)
Give the formula to find E(p) for this specific demand function.
i)
Find a video on
www.youtube.com
dealing with
elasticity.
Give the source and list six bullet points
with information learned from this video.
Evaluate
the video.
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 Spring '08
 DONTKNOW
 Derivative, Convex function, demand function, $35

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