February/March 2026 Paper 42

2026 · 23 questions · 41 parts · 100 marks

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Q1
1
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Q2
2
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Q3
3
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Q4
4
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Q5
5(a)5(b)
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Q6
6
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Q7
7(a)7(b)
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Q8
8
–/1 mk
Q9
9(a)9(b)9(b)(i)9(b)(ii)
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Q10
10
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Q11
11(a)11(b)
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Q12
12
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Q13
13
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Q14
14
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Q15
15(a)15(a)(i)15(a)(ii)15(a)(iii)15(b)
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Q16
16
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Q17
17
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Q18
18(a)18(b)18(c)
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Q19
19(a)19(a)(i)19(a)(ii)19(a)(iii)19(b)
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Q20
20(a)20(b)20(c)
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Q21
21
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Q22
22
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Q23
23
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16Exponentials LogarithmsMedium3 marks
The temperature, , of a liquid is given by the formula
where is the number of minutes after 2 pm.
at 2 pm. at 2.30 pm.
Find the value of and the value of .