$\text { Find } \frac { d y } { d x } \text { by implicit differentiation. }$

question 100

Multiple Choice

$\text { Find } \frac { d y } { d x } \text { by implicit differentiation. }$ $x ^ { 2 } + 5 x + 9 x y - y ^ { 2 } = 4$

• A) \(\frac { d y } { d x } = \frac { 2 x - 5 + 9 y } { 2 y - 9 x }\)
• B) \(\frac { d y } { d x } = \frac { 2 x + 5 + 9 y } { 2 x - 9 y }\)
• C) \(\frac { d y } { d x } = \frac { x + 5 + 9 y } { y - 9 x }\)
• D) \(\frac { d y } { d x } = \frac { 2 x + 5 + 9 y } { 2 y - 9 x }\)
• E) \(\frac { d y } { d x } = \frac { 2 x + 5 - 9 y } { 2 y - 9 x }\)

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Definitions:

Negative Reinforcement

A behavioral concept in which the removal of an undesirable or uncomfortable stimulus increases the likelihood of a behavior being repeated.

Intermittent Reinforcement

A conditioning schedule in which a reward or punishment (reinforcement) is not administered every time the desired response is performed.

Learning Perspective

View of human development that holds that changes in behavior result from experience or from adaptation to the environment.

Environment

The surrounding conditions, influences, and forces that affect the existence and development of an organism or community.