Mathematics · May / June 2024 · Paper 42 · Question 7
0580
As printed in the paper
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7(a)[2]
2 [1]
+ = + 2
M1 for 3 x 4 x 6 8 or better
7(b)[2]
( ) + 5 a 2 a 1 final answer [2]
B1 for ( ) + or 5(2a2 +a) a 10 a 5 ( ) + or 5 a 2 a 1 then spoilt
7(c)[2]
( ) − 4 x x 3 final answer [2]
M1 for ( )( ) − − − + (2 x 3) 3 (2 x 3) 3 or better 4 x 2 − 6 x − 6 x + 9 [ 9] − or for oe or better
7(d)(i)[1]
1 15 oe [1]
7(d)(ii)[2]
19 683 [2]
B1 for g(9), 39 or x seen 3 3
7(d)(iii)[2]
−3 [2]
M1 for 1 = k = 3− 3 3 k or 3 27 or answer g(–3)
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