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20 votes
20 votes
Y is directly proportional to the cube of x. If x is tripled, what happens to the value of y?

User Danieljames
by
2.6k points

1 Answer

17 votes
17 votes

Answer:

it becomes 27 times larger

Explanation:

y = k
x^(3)

vs.

y = k
(3x)^(3)

y = k 27 x^3

User Sulthan
by
2.9k points