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[TD="colspan: 2"]Section 1 Indices and Logarithms[/TD]

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1) Solve Ln(e6x−4+7)=7Ln(e6x−4+7)=7 for x.

The answer (correct to 3 decimal places) is x =

Marks : 1

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[TD="colspan: 2"]Section 2 Functions[/TD]

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2) Let f(x) = −4x+72x−2−4x+72x−2, find f-1(x).

Answer: (Correct to 3 decimal places) f-1(x) = (-2 x +) / ( x + ).

Marks : 1

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