2024 VCE NHT Mathematical Methods Exam 2 Multiple Choice Suggested Solutions

Tutoring: docs.google.co...
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- Silly Mistake: Q15. The answer is D, not C. As n must be an integer, so you must sub in 38 not 38.35.
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[@jm1-t6b]

Question 11 - As t is Z+, t=1 is Jan 1, t=365 is Dec 31. We want [1,103] and [247,365] but as discrete values. [1,103] has 103 days in the interval. [247,365] has 365-246 discrete days (eg. [5,10] has 10-4=6 days (days 5, 6, 7, 8, 9, 10). So total is 103+119=222.

[@Ninous2122]

You are absolutely correct. Thanks for the explanation legend

[@anonymous-h4v7p]

Your answer to Q15 is also incorrect, for the same reason as Q11. The function is discrete, not continuous. Substitute the integer values values either side of the minimum TP (n=38 and n=39) to find the correct minimum of 1229.89. Answer D

[@HomeYt-q9h]

q9: discriminant