Welcome to the GRE Prep Club –the new and only GRE-focused community. Learn more about GRE Prep Club
close

It is currently 14 Nov 2018, 11:36
Search
Register
My Tests
New posts
Unanswered

Close

GMAT 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

we will pick new questions that match your level based on your Timer History

Track
Your Progress

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

Go to My Workbook Learn more

If h(x) = 2x3 – 3 and h(m) = –19, what is the value of m?

  Question banks Downloads My Bookmarks Reviews Important topics  
 
Search for:
 
Print view
First unread post
Author Message
TAGS:
GMAT Club Legend
GMAT Club Legend
User avatar
Joined: 07 Jun 2014
Posts: 4704
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 90

Kudos [?]: 1600 [0], given: 373

CAT Tests
If h(x) = 2x3 – 3 and h(m) = –19, what is the value of m? [#permalink] New post 25 Jul 2018, 17:10
Expert's post
00:00

Question Stats:

66% (00:27) correct 33% (02:54) wrong based on 6 sessions
If \(h(x) = 2x^3 - 3\) and \(h(m) = -19\), what is the value of m?

(A) –3
(B) –2
(C) 2
(D) 6,856
(E) 6,862
[Reveal] Spoiler: OA

_________________

Sandy
If you found this post useful, please let me know by pressing the Kudos Button

Try our free Online GRE Test

GMAT Club Legend
GMAT Club Legend
User avatar
Joined: 07 Jun 2014
Posts: 4704
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 90

Kudos [?]: 1600 [0], given: 373

CAT Tests
Re: If h(x) = 2x3 – 3 and h(m) = –19, what is the value of m? [#permalink] New post 31 Jul 2018, 14:15
Expert's post
Explanation

Be careful with the notation here. The problem indicates that \(h(m) = -19\), not that \(h(-19) =\) something else. Do not plug –19 in for x; rather, plug m in for x and set the answer equal to –19:

\(2m^3 - 3 = -19\)
\(2m^3 = -16\)
\(m^3 = -8\)
\(m = –2\)

Hence option B i correct!
_________________

Sandy
If you found this post useful, please let me know by pressing the Kudos Button

Try our free Online GRE Test

Re: If h(x) = 2x3 – 3 and h(m) = –19, what is the value of m?   [#permalink] 31 Jul 2018, 14:15
Display posts from previous: Sort by

If h(x) = 2x3 – 3 and h(m) = –19, what is the value of m?

  Question banks Downloads My Bookmarks Reviews Important topics  
Print view
First unread post

Moderators: GreenlightTestPrep, pranab01, IlCreatore, Moderators

Search for:


GRE Prep Club Forum Home| About| Terms and Conditions and Privacy Policy| GRE Prep Club Rules| Contact

Powered by phpBB © phpBB Group

Kindly note that the GRE® test is a registered trademark of the Educational Testing Service®, and this site has neither been reviewed nor endorsed by ETS®.

Main navigation

Partners

GRE Resources

www.ets.org/gre