Assuming the petrol burnt (per hour) in driving a motor boat varies as the cube of ts velocity, show that the most economica speed when going against the current of c miles per hour is (3c/2) miles per hour.

Q: 1. Find the roots (zeros) for P(x) = x4 - 6x³ + 9x² + 4x - 12. For this process exam, you DO NOT…

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Q: Example 6: Consider (x³ −7) € Q[x]. Let ae C be a root of (x³ -7) (in C). Find (1+ a)-¹. Q[x]…

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Q: Transform: f(t) = 5t6e4t O F(s): = OF(s) = OF(s) = O F(s) = = O F(s) = F(s): 3600 30 720 (8+4)* 30…

A: Option A is correct. Explanation is as follows.

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Q: non-negative continuous function. 5π Let f(x), x ≥ 0, be a If f'(x) cos x ≤ f(x) sin x, V x ≥ 0,…

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