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For all numbers x, the function f is defined by f(x) = 3x + 1 and the

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For all numbers x, the function f is defined by f(x) = 3x + 1 and the  [#permalink]

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New post Updated on: 01 Feb 2018, 07:45
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For all numbers x, the function f is defined by f(x) = 3x + 1 and the function g is defined by g(x) = x - (1/3). If c is a positive number, what is the value of g(c)?

(1) f(c) = 13
(2) f(1) = c

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Originally posted by shakticnb on 31 Aug 2015, 13:55.
Last edited by abhimahna on 01 Feb 2018, 07:45, edited 3 times in total.
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Re: For all numbers x, the function f is defined by f(x) = 3x + 1 and the  [#permalink]

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New post 31 Aug 2015, 20:33
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shakticnb wrote:
For all numbers x, the function f is defined by f(x) = 3x + 1 and the function g is defined
by g(x) =X-1/3 If c is a positive number, what is the value of g(c)?
(1) f(c) = 13
(2) f(1) = c


We have been given: f(x) = 3x + 1 and g(x) =X-1/3

Statement 1:
f(c) = 13 = 3c+1
On further solving, we have c = 4.

g(c) = 4-1/3 = 11/3

Statement2:
f(1) = c = 3(1) + 1
So, c = 4

g(c) = 4-1/3 = 11/3

Each statement alone is sufficient
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Re: For all numbers x, the function f is defined by f(x) = 3x + 1 and the  [#permalink]

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New post 14 Jul 2017, 10:09
OptimusPrepJanielle wrote:
shakticnb wrote:
For all numbers x, the function f is defined by f(x) = 3x + 1 and the function g is defined
by g(x) =X-1/3 If c is a positive number, what is the value of g(c)?
(1) f(c) = 13
(2) f(1) = c


We have been given: f(x) = 3x + 1 and g(x) =X-1/3

Statement 1:
f(c) = 13 = 3c+1
On further solving, we have c = 4.

g(c) = 4-1/3 = 11/3

Statement2:
f(1) = c = 3(1) + 1
So, c = 4

g(c) = 4-1/3 = 11/3

Each statement alone is sufficient



i like the way you solve this QS.
how can i join your course
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Re: For all numbers x, the function f is defined by f(x) = 3x + 1 and the  [#permalink]

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New post 25 Jul 2018, 10:29
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Re: For all numbers x, the function f is defined by f(x) = 3x + 1 and the &nbs [#permalink] 25 Jul 2018, 10:29
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