M7MBA Moderator View User Profile Posts: 2058 Joined: Sun Oct 29, 2017 4:24 am Thanked: 1 times Followed by:5 members If \(f(x)=ax^2-x,\) and \(f(4)=28,\) what is \(f(-2)?\) by M7MBA » Fri Jun 05, 2020 8:16 am Timer 00:00 Your Answer A B C D E Global Stats If \(f(x)=ax^2-x,\) and \(f(4)=28,\) what is \(f(-2)?\) (A) 1 (B) 2 (C) 4 (D) 8 (E) 10 [spoiler]OA=E[/spoiler] Source: Manhattan GMAT Top Quote