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f and g are defined

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by sanju09 » Sat Jul 10, 2010 1:39 am
The functions f and g are defined by f (x) = |2 x + 1| and g (x) = 3 for all numbers x. What is the least value of c for which f (c) = g (c)?
(A) 1
(B) 0
(C) -1
(D) -2
(E) -3
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by selango » Sat Jul 10, 2010 1:49 am
f(x)=|2x+1|

g(X)=3

f(c)=|2c+1|

g(c)=3

|2c+1|=3

2c+1=3 or 2c+1=-3

c=1 or c=-2

Least value of c is -2

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by outreach » Sat Jul 10, 2010 4:32 am
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