Solve Problems Involving Joint Variation
- $x$ Varies Jointly As $y$ And the Cube Of

Multiple Choice

Solve Problems Involving Joint Variation
- $x$ varies jointly as $y$ and the cube of $z$ .

A) $x = k y z ^ { 3 }$
B) $x y z ^ { 3 } = k$
C) $x = k + y + z ^ { 3 }$
D) $x + y + z ^ { 3 } = k$