Problem Set: B (1) Solve the following: (a) 42x-1 = 64 (d) In 3- In x- In(x+ 5) = 0 (b) 81-x = 4x+2 (c) 22x+2% – 12 = 0 (e) log4(x+ 2) – log,(x – 1) = 1 (f) log2 (x – 1) – log2(x+ 3) = log2 () %3D (2) The price of a dress is reduced by 20%. When the dress still does not sell, price was then reduced by of the reduced price. If the price of the dress after both reductions is $264, what was the original price? (3) If a projectile is launched into the air at 29.4 feet per second from a height of 60 feet, giuon by Sx) = 60 + 29.4x - 9.8x², where x is in seconds.
Problem Set: B (1) Solve the following: (a) 42x-1 = 64 (d) In 3- In x- In(x+ 5) = 0 (b) 81-x = 4x+2 (c) 22x+2% – 12 = 0 (e) log4(x+ 2) – log,(x – 1) = 1 (f) log2 (x – 1) – log2(x+ 3) = log2 () %3D (2) The price of a dress is reduced by 20%. When the dress still does not sell, price was then reduced by of the reduced price. If the price of the dress after both reductions is $264, what was the original price? (3) If a projectile is launched into the air at 29.4 feet per second from a height of 60 feet, giuon by Sx) = 60 + 29.4x - 9.8x², where x is in seconds.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question
Transcribed Image Text:Problem Set: B
(1) Solve the following:
(a) 42x-1 = 64
(d) In 3 – In x- In(x+ 5) = 0
(f) log2 (x – 1) – log2(x+ 3) = log2 (-)
(b) 81-x
= 4x+2
(e) log4(x+ 2) – log, (x – 1) = 1
(c) 22x + 2x – 12 = 0
%3D
(2) The price of a dress is reduced by 20%. When the dress still does not sell, price was then reduced by
of the reduced price. If the price of the dress after both reductions is $264, what was the original price?
(3) If a projectile is launched into the air at 29.4 feet per second from a height of 60 feet,
its height (in feet) is given by S(x) = 60 + 29.4x -
Showing all working, determine:
(a) How long will it take the projectile reach its maximum height?
9.8x2, where x is in seconds.
20
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 4 steps
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, advanced-math and related others by exploring similar questions and additional content below.Recommended textbooks for you
Advanced Engineering Mathematics
Advanced Math
ISBN:
9780470458365
Author:
Erwin Kreyszig
Publisher:
Wiley, John & Sons, Incorporated
Numerical Methods for Engineers
Advanced Math
ISBN:
9780073397924
Author:
Steven C. Chapra Dr., Raymond P. Canale
Publisher:
McGraw-Hill Education
Introductory Mathematics for Engineering Applicat…
Advanced Math
ISBN:
9781118141809
Author:
Nathan Klingbeil
Publisher:
WILEY
Advanced Engineering Mathematics
Advanced Math
ISBN:
9780470458365
Author:
Erwin Kreyszig
Publisher:
Wiley, John & Sons, Incorporated
Numerical Methods for Engineers
Advanced Math
ISBN:
9780073397924
Author:
Steven C. Chapra Dr., Raymond P. Canale
Publisher:
McGraw-Hill Education
Introductory Mathematics for Engineering Applicat…
Advanced Math
ISBN:
9781118141809
Author:
Nathan Klingbeil
Publisher:
WILEY
Mathematics For Machine Technology
Advanced Math
ISBN:
9781337798310
Author:
Peterson, John.
Publisher:
Cengage Learning,
