Apps. and Interpretation HL Practice Paper Book | Page 66

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10 . The weight of a plate of area A cm is W g . It is given that W varies directly as 3 A . When A � 512, W � 96 .
( a )
Express W in terms of A .
( b )
Write down the area of a plate of weight 60 grams .
The graph of W is transformed to the new graph of
W
3
�7
24
A by two
transformations .
( c )
Describe geometrically for the two transformations .
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[ 1 ]
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