Question

Yis inversely proportional to the cube of x. If Y= 4 when x = 2, then Y= 27/32 , when x is 3.

Answer 1

no, y would be y = 32/27 for x = 3

Explanation:

y ∞ 1/x³

y = k(1/x³)

y = k/x³

4 = k/2³

4 * 2³ = k

k = 32

for x = 3

y = 32/3³

y = 32/27