If $x^3 4$ D. $x 0$ Answer: D Source: Manhattan GMAT

If $x^3 < 16x$ which of the following includes at least some of the possible solutions for $x,$ but no values that

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Vincen: Legendary Member; Posts: 2898; Joined: Thu Sep 07, 2017 2:49 pmFollowed by: 5 members; Thanked: 6 times

by Vincen » Mon Sep 21, 2020 6:32 am

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If $x^3 < 16x$ which of the following includes at least some of the possible solutions for $x,$ but no values that are not solutions?

A. $|x| < 4$
B. $x < 4$
C. $x > 4$
D. $x < -4$
E. $x > 0$

Answer: D

Source: Manhattan GMAT

Source: Beat The GMAT — Problem Solving | Mon Sep 21, 2020 6:32 am

DHRJ007: Senior | Next Rank: 100 Posts; Posts: 31; Joined: Thu Sep 17, 2020 9:27 amFollowed by: 1 member

Re: If $x^3 < 16x$ which of the following includes at least some of the possible solutions for $x,$ but no values th

by DHRJ007 » Mon Sep 21, 2020 8:12 am

domain of X will be
x<-4
and,
0<x<4

option D matches with one of our domains..

OA: D

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