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20-06-2016
Mathematics

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Let f(x) = 2x - 6 Solve f-1(x) when x = 2..

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Kay2170 Kay2170

22-06-2016

1) Plug in 2 into the equation:
f(x) = 2x - 6

2) f(2) = 2(2) - 6
f(2) = 4 - 6
f(2) = -2

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