Let f(x) = 2x + 2. Solve f-1(x) when x = 4.

Algebra
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Let f(x) = 2x + 2. Solve f-1(x) when x = 4.

A) 1
B) 3
C) 4
D) 10

Nov 26th, 2014

assuming you mean inverse: f-1(x) = (x - 2)/2 f-1(4) = (4-2)/2 = 1

Option A

Nov 26th, 2014

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Nov 26th, 2014
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Nov 26th, 2014
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