Course Information
Course Number: M1325
Course Title: Business Calculus
Term and Year: Spring 2015
Class Time: MoWeFr 9:30am 10:20am
Class Location: TBA
Instructor Information
Name: Dr. Jang-Woo Park
630
CHAPTER 1 l Additional Derivative Topics
Applications
40.
41.
42.
43.
4S.
14a
Doubling time. How long will it take money to double if it
is invested at 5% interest compounded
(A) Annually? (B) Con
SECTION 1 l .2 Derivatives of Exponential and Logarithmic Functions 58?
d
In Problems 4354, nd for the indicated function y.
43. y = logzx 44. y = 3log5x
45.y=3Jr 46.y=4"
47.y=2xlogx 48.y=10gx+4x2+1
4
15
10
Cost (hundred dollars)
VI
10 20 30 40 50
Production
Figure for 91
(A) Find C'(x).
(B) Find C' (24) and C' (42). Interpret the results.
92. Cost function. The total cost (in hundreds of doll
94. Sales analysis. A communications company has installed a
new cable television system in a city. The total number N (in
thousands) of subscribers t months after the installation of the
system is gi