Write a Variation Model $Y = k \sqrt { z }$

Multiple Choice

Write a variation model. Use k as the constant of variation. Y varies inversely as the square root of z.

A) $Y = k \sqrt { z }$
B) $Y = \frac { k } { z ^ { 2 } }$
C) $Y = \frac { k } { \sqrt { z } }$
D) $Y = k z ^ { 2 }$