Find the Variation Equation for the Variation Statement $\mathrm { z }$

question 114

Multiple Choice

Find the variation equation for the variation statement.
- $\mathrm { z }$ varies jointly as $\mathrm { y }$ and the cube of $\mathrm { x } ; \mathrm { z } = 1792$ when $\mathrm { x } = 4$ and $\mathrm { y } = - 4$

• A) \(y = - 7 x ^ { 3 } y\)
• B) \(y = - 7 x y ^ { 3 }\)
• C) \(y = 7 x y ^ { 3 }\)
• D) \(y = 7 x ^ { 3 } y\)

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Definitions:

Action Potential

A temporary reversal of the electrical potential across the membrane of a nerve cell (neuron) that occurs when the cell generates a nerve impulse.

Muscle Fibers

The cells that make up skeletal muscles, capable of contracting to produce movement and force.

Contraction

The process of muscle fibers shortening and generating force, leading to movement or tension.

Isotonic

Type of solution that causes cells to neither shrink nor swell.