# Math

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The function r(w) = 2aw-2 + b + c where a, b and c are constants.

You are given that r(1) = 5; r’(4) = 12 and r′’(2) = 18.
By substituting for w in the above function and its derivatives or otherwise, show that the three
given function values give rise to a system of linear equations in the unknowns a, b and c

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