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.
Which is greater f(g(3)) or g(f(3))
[#permalink]
16 Jan 2019, 17:30
16 Jan 2019, 17:30
Expert Reply
00:00
Question Stats:
96% (00:22) correct
3% (00:00) wrong based on 51 sessions
Hide Show timer Statistics
\(f(x)=2x\)
\(g(x)=\)\(\frac{1}{2} x\)
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
\(g(x)=\)\(\frac{1}{2} x\)
Quantity A |
Quantity B |
\(f(g(3))\) |
\(g(f(3))\) |
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
Re: Which is greater f(g(3)) or g(f(3))
[#permalink]
16 Jan 2019, 21:25
16 Jan 2019, 21:25
1
Carcass wrote:
\(f(x)=2x\)
\(g(x)=\)\(\frac{1}{2} x\)
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
\(g(x)=\)\(\frac{1}{2} x\)
Quantity A |
Quantity B |
\(f(g(3))\) |
\(g(f(3))\) |
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
Explanation::
\(f(g(3)) = f(\frac{1}{2} *3) = f(\frac{3}{2}) = 2 * \frac{3}{2} = 3\)
\(g(f(3)) = g ( 2 * 3 ) = g (6) = \frac{1}{2} * 6 = 3\)
Hence Qty A = Qty B
gmatclubot
Re: Which is greater f(g(3)) or g(f(3)) [#permalink]
16 Jan 2019, 21:25
Moderators:
