Find the constant of variation and construct the function that is expressed in each statement.
-y varies directly as x: y = 39, when x = 12
A) y = 39x
B) y = 3.25y
C) y = 0.31x
D) y = 3.25x

Question

Quizplus · Accepted Answer

The constant of variation, k, is found by dividing y by x when y = 39 and x = 12, which gives k = 39 / 12 = 3.25. Therefore, the function is y = 3.25x.

Find the Constant of Variation and Construct the Function That