2016 THREE(a)

Achievement
Question
Differentiate f(x)=3x+24f(x)=\sqrt[4]{3x+2}.
Official Answer
f(x)=14(3x+2)343f'(x)=\frac{1}{4}(3x+2)^{-\frac{3}{4}}\cdot 3
Grading Criteria

Achievement (u)

  • Correct derivative.

Merit (r)

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Excellence T1

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Excellence T2

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