Franchise Expansion. Pete Zah’s is selling franchises for pizza shops throughout the county. The marketing manager estimates that the number of franchises, N , will increase at the rate of 10% per year, that is, d N d t = 0.10 N . a. Find the function that satisfies this equation. Assume that the number of franchises at t = 0 is 50 . b. How many franchises will there be in 20 yr? c. In what period of time will the initial number of 50 franchises double?
Franchise Expansion. Pete Zah’s is selling franchises for pizza shops throughout the county. The marketing manager estimates that the number of franchises, N , will increase at the rate of 10% per year, that is, d N d t = 0.10 N . a. Find the function that satisfies this equation. Assume that the number of franchises at t = 0 is 50 . b. How many franchises will there be in 20 yr? c. In what period of time will the initial number of 50 franchises double?
Solution Summary: The author calculates the function that satisfies dNt=0.10N assuming number of franchises for pizza shop at is 50.
Franchise Expansion. Pete Zah’s is selling franchises for pizza shops throughout the county. The marketing manager estimates that the number of franchises, N, will increase at the rate of 10% per year, that is,
d
N
d
t
=
0.10
N
.
a. Find the function that satisfies this equation. Assume that the number of franchises at
t
=
0
is
50
.
b. How many franchises will there be in 20 yr?
c. In what period of time will the initial number of 50 franchises double?
A particle travels along a straight line path given by s=9.5t3-2.2t2-4.5t+9.9 (in meters).
What time does it change direction?
Report the higher of the answers to the nearest 2 decimal places in seconds.
Use the method of disks to find the volume of the solid that is obtained
when the region under the curve y = over the interval [4,17] is rotated
about the x-axis.
1. Find the area of the region enclosed between the curves y = x and y = x.
Sketch the region.
Chapter 3 Solutions
Calculus and Its Applications, Books a la Carte Plus MyLab Math Access Card Package (11th Edition)
University Calculus: Early Transcendentals (4th Edition)
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