Question

Suppose that x and y vary inversely and that y=1/6 when x = 3. Write a function that models the inverse variation and find y when x = 10.

Answer 1

y = C/x
Solve for C with the given information.

1/6 = C/3
C = 1/2
y = 1/(2x)
If x = 10, y = 1/20