Mathematics · Oct / Nov 2021 · Paper 22 · Question 20
0580
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The question as text
( )x 2 f x 3 = - ( )x x 2 1 g = - ( )x x 4 5 h = -
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20(a)[2]
32 [2]
M1 for f(6) = 8 ( 2 x – 3 ) – 3 or ff( ) x = 2 oe
20(b)[1]
x + 21 [1]
20(c)[2]
–1 [2]
M1 for 1 16 oe or 2–4 oe
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