Market share. Consumers in a certain area can choose between three package delivery services: APS, GX, and WWP. Each week, APS loses 10 % of its customers to GX and 20 % to WWP, GX loses 15% of its customers to APS and 10 % to WWP, and WWP loses 5 % of its customers to APS and 5 % to GX. Assuming that these percentages remain valid over a long period of time, what is each company's expected market share in the long run?
Market share. Consumers in a certain area can choose between three package delivery services: APS, GX, and WWP. Each week, APS loses 10 % of its customers to GX and 20 % to WWP, GX loses 15% of its customers to APS and 10 % to WWP, and WWP loses 5 % of its customers to APS and 5 % to GX. Assuming that these percentages remain valid over a long period of time, what is each company's expected market share in the long run?
Solution Summary: The author explains how to determine the expected market share of each company in the long run.
Market share. Consumers in a certain area can choose between three package delivery services: APS, GX, and WWP. Each week, APS loses
10
%
of its customers to GX and
20
%
to WWP, GX loses 15% of its customers to APS and
10
%
to WWP, and WWP loses
5
%
of its customers to APS and
5
%
to GX. Assuming that these percentages remain valid over a long period of time, what is each company's expected market share in the long run?
A graph of the function f is given below:
Study the graph of ƒ at the value given below. Select each of the following that applies for the value a = 1
Of is defined at a.
If is not defined at x = a.
Of is continuous at x = a.
If is discontinuous at x = a.
Of is smooth at x = a.
Of is not smooth at = a.
If has a horizontal tangent line at = a.
f has a vertical tangent line at x = a.
Of has a oblique/slanted tangent line at x = a.
If has no tangent line at x = a.
f(a + h) - f(a)
lim
is finite.
h→0
h
f(a + h) - f(a)
lim
h->0+
and lim
h
h->0-
f(a + h) - f(a)
h
are infinite.
lim
does not exist.
h→0
f(a+h) - f(a)
h
f'(a) is defined.
f'(a) is undefined.
If is differentiable at x = a.
If is not differentiable at x = a.
The graph below is the function f(z)
4
3
-2
-1
-1
1
2
3
-3
Consider the function f whose graph is given above.
(A) Find the following. If a function value is undefined, enter "undefined". If a limit does not exist, enter
"DNE". If a limit can be represented by -∞o or ∞o, then do so.
lim f(z)
+3
lim f(z)
1-1
lim f(z)
f(1)
= 2
=
-4
= undefined
lim f(z) 1
2-1
lim f(z):
2-1+
lim f(x)
2+1
-00
= -2
= DNE
f(-1) = -2
lim f(z) = -2
1-4
lim f(z)
2-4°
00
f'(0)
f'(2)
=
=
(B) List the value(s) of x for which f(x) is discontinuous. Then list the value(s) of x for which f(x) is left-
continuous or right-continuous. Enter your answer as a comma-separated list, if needed (eg. -2, 3, 5). If
there are none, enter "none".
Discontinuous at z =
Left-continuous at x =
Invalid use of a comma.syntax incomplete.
Right-continuous at z =
Invalid use of a comma.syntax incomplete.
(C) List the value(s) of x for which f(x) is non-differentiable. Enter your answer as a comma-separated list,
if needed (eg. -2, 3, 5).…
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