GRE Prep Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customized
for You
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
GRE Prep Club Team Member
Joined: 20 Feb 2017
Posts: 2509
Given Kudos: 1058
GPA: 3.39
Cost is expressed by the formula tb^4. If b is doubled, by what factor
[#permalink]
11 Feb 2021, 07:19
11 Feb 2021, 07:19
1
Expert Reply
00:00
Question Stats:
90% (00:40) correct
9% (00:48) wrong based on 11 sessions
Hide Show timer Statistics
Cost is expressed by the formula \(tb^4\). If b is doubled, by what factor has the cost increased?
(A) 2
(B) 6
(C) 8
(D) 16
(E) \(\frac{1}{2}\)
(A) 2
(B) 6
(C) 8
(D) 16
(E) \(\frac{1}{2}\)
Retired Moderator
Joined: 16 Apr 2020
Status:Founder & Quant Trainer
Affiliations: Prepster Education
Posts: 1546
Given Kudos: 172
Location: India
WE:Education (Education)
Cost is expressed by the formula tb^4. If b is doubled, by what factor
[#permalink]
11 Feb 2021, 10:20
11 Feb 2021, 10:20
1
1
Bookmarks
GeminiHeat wrote:
Cost is expressed by the formula \(tb^4\). If b is doubled, by what factor has the cost increased?
(A) 2
(B) 6
(C) 8
(D) 16
(E) \(\frac{1}{2}\)
(A) 2
(B) 6
(C) 8
(D) 16
(E) \(\frac{1}{2}\)
C1 = \(tb^4\)
C2 = \(t({2b})^4\) = \(16tb^4\) = 16C1
So, 16 times
Hence, option D
Re: Cost is expressed by the formula tb^4. If b is doubled, by what factor
[#permalink]
21 Jun 2022, 19:53
21 Jun 2022, 19:53
Hello from the GRE Prep Club BumpBot!
Thanks to another GRE Prep Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).
Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
Thanks to another GRE Prep Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).
Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
