Simplify $- 7 y ^ { 2 } - 6 y ^ { 3 } - 7 + 2 y ^ { 3 } - 3 y ^ { 2 }$

question 166

Multiple Choice

Simplify: $- 7 y ^ { 2 } - 6 y ^ { 3 } - 7 + 2 y ^ { 3 } - 3 y ^ { 2 }$

• A) \(- 4 y ^ { 6 } - 10 y ^ { 4 } - 7\)
• B) \(- 4 y ^ { 3 } - 10 y ^ { 2 } - 7\)
• C) \(4 y ^ { 3 } + 10 y ^ { 2 } + 7\)
• D) \(- 4 y ^ { 3 } + 10 y ^ { 2 } - 7\)

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Definitions:

Neurotransmitters

Chemicals in the brain that transmit signals from one neuron to another, influencing countless functions including mood and behavior.

Synaptic Cleft

The space between two neurons where neurotransmitters are released from one neuron to another.

Dopamine

A neurotransmitter involved in mood, motivation, reward, and the coordination of movement, playing a vital role in the brain's pleasure and reward system.

Serotonin

A neurotransmitter involved in the regulation of mood, anxiety, and happiness, among other physiological processes.