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f( x) = x2 − 6x + 8 f( − 6) f( 6)
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25 Dec 2018, 15:10
25 Dec 2018, 15:10
Expert Reply
00:00
Question Stats:
90% (00:23) correct
9% (00:13) wrong based on 103 sessions
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\(f(x) = x^2 − 6x + 8\)
Quantity A |
Quantity B |
\(f(-6)\) |
\(f(6)\) |
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.
Retired Moderator
Joined: 10 Apr 2015
Posts: 6218
Given Kudos: 136
Re: f( x) = x2 − 6x + 8 f( − 6) f( 6)
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05 Jan 2019, 12:14
05 Jan 2019, 12:14
1
Carcass wrote:
\(f(x) = x^2 − 6x + 8\)
Quantity A |
Quantity B |
\(f(-6)\) |
\(f(6)\) |
GIVEN: f(x) = x² − 6x + 8
So, f(-6) = (-6)² − 6(-6) + 8
= 36 - (-36) + 8
= 80
And f(6) = 6² − 6(6) + 8
= 36 - 36 + 8
= 8
We get:
QUANTITY A: 80
QUANTITY B: 8
Answer: A
Cheers,
Brent
gmatclubot
Re: f( x) = x2 − 6x + 8 f( − 6) f( 6) [#permalink]
05 Jan 2019, 12:14
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