Free e-GMAT Live Webinar! Master SC with 90% Accuracy

LIVE: JUNE 10TH, 2023, 7-9AM PST

JOIN FREE WEBINAR: USE MEANING & LOGIC TO SOLVE 700+ LEVEL SENTENCE CORRECTION Qs with 90+% ACCURACY.
e-GMAT
Presented by e-GMAT
Register

The function \(f\) is defined for all positive integers \(n > 4\) as \(f(n) = 3n - 9\) if \(n\) is odd and

This topic has expert replies
Legendary Member
Posts: 2276
Joined: Sat Oct 14, 2017 6:10 am
Followed by:3 members

Timer

00:00

Your Answer

A

B

C

D

E

Global Stats

The function \(f\) is defined for all positive integers \(n > 4\) as \(f(n) = 3n - 9\) if \(n\) is odd and \(f(n) = 2n - 7\) if \(n\) is even. What is the value of the positive integer \(a?\)

(1) \(f(f(a)) = a\)

(2) \(f(f(f(a)))\) is odd.

Answer: C

Source: Manhattan GMAT