Answer the Question $f ( x ) = 0.4 ( x + 7 ) ^ { 2 } - 9$

question 45

Multiple Choice

Answer the question.
-How can the graph of $f ( x ) = 0.4 ( x + 7 ) ^ { 2 } - 9$ be obtained from the graph of $y = x ^ { 2 } ?$

• A) Shift it horizontally 7 units to the right. Shrink it vertically by a factor of 0.4 . Shift it 9 units up.
• B) Shift it horizontally 7 units to the left. Shrink it vertically by a factor of 0.4 . Shift it 9 units down.
• C) Shift it horizontally 7 units to the left. Shrink it horizontally by a factor of 0.4. Shift it 9 units down.
• D) Shift it horizontally 9 units to the left. Stretch it vertically by a factor of 8 . Shift it 7 units down.

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Definitions:

Blood Samples

Specimens of blood taken for testing or analysis to diagnose illness, monitor health conditions, or perform scientific research.

Neurotransmitter Activity

The action or process by which neurotransmitters are released, bind to receptors, and elicit a response in the nervous system, influencing behavior and mood.

Antigens

Foreign substances that enter the body and trigger an immune response, often leading to the production of antibodies.

T-Cells

A type of white blood cell that plays a central role in the immune system by identifying and attacking foreign pathogens.