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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
(A) Statement 1 alone is sufficient, but statement 2 alone is not.
(B) Statement 2 alone is sufficient, but statement 1 alone is not.
(C) Both statements together are sufficient, but neither alone is sufficient.
(D) Each statement alone is sufficient.
(E) Neither statement is sufficient, even when combined.
(1) f(c) = 13
(2) f(1) = c
(A) Statement 1 alone is sufficient, but statement 2 alone is not.
(B) Statement 2 alone is sufficient, but statement 1 alone is not.
(C) Both statements together are sufficient, but neither alone is sufficient.
(D) Each statement alone is sufficient.
(E) Neither statement is sufficient, even when combined.
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31 Aug 2015, 20:33
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shakticnb
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
mindi
Joined: 12 Jul 2017
Last visit: 17 Jul 2017
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14 Jul 2017, 10:09
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OptimusPrepJanielle
i like the way you solve this QS.
how can i join your course
