Find $\lim _ { x \rightarrow 4 } f ( x )$

question 75

Multiple Choice

Find $\lim _ { x \rightarrow 4 } f ( x )$ . $f ( x ) = \frac { x } { 5 - x }$

• A) \(\lim _ { x \rightarrow 4 } f ( x )\) = -2
• B) \(\lim _ { x \rightarrow 4 } f ( x )\) = \(\infty\)
• C) \(\lim _ { x \rightarrow 4 } f ( x )\) = 4
• D) \(\lim _ { x \rightarrow 4 } f ( x )\) = 5
• E) \(\lim _ { x \rightarrow 4 } f ( x )\) = 2

---

Definitions:

Habituation

Habituation is the process by which there is a decrease in response to a stimulus after being exposed to it repeatedly over time, indicating a form of learning or adaptation.

Sensitization

The process by which a response to a stimulus becomes amplified over time, leading to an increased reaction to a repeated or similar stimulus.

Mania

Disordered mental state of extreme excitement.

Increased Dopamine

A condition characterized by elevated levels of dopamine, a neurotransmitter associated with pleasure, movement, and motivation.