Correct Answer: Option A

Explanation

\(y \propto w^2\)

y = kw²

8 = k(2)²

8 = k(4)

k = 8/4

k = 2

Thus y = 2w²
When w = 3, y = 2(3)²

y = 2 x 9 = 18

There is an explanation video available below.

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