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18M.1.AHL.TZ2.H_10

pestleMathematicsAAHLPaper 118M· sl-1-6-simple-proofsource ↗

The function  f is defined by  f ( x ) = a x + b c x + d , for  x R , x d c .

The function  g is defined by  g ( x ) = 2 x 3 x 2 , x R , x 2

Express  g ( x ) in the form  A + B x 2  where A, B are constants.

Markscheme / solution

g ( x ) = 2 + 1 x 2      A1A1

[2 marks]

Examiners’ report
[N/A]