Evaluate the Expression $x = 4$ And $y = - 5$ Evaluate

question 64

Multiple Choice

Evaluate the expression.
-Let $x = 4$ and $y = - 5$ . Evaluate $\frac { | x | } { x } + \frac { | y | } { y }$ .

• A) 2
• B) 1
• C) 0
• D) \(- 1\)

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Definitions:

Plasma Proteins

Proteins present in blood plasma that serve various functions, including transport, blood clotting, and immune responses.

Immunity

The ability of an organism to resist and fend off pathogens, diseases, and infections through the immune response.

Homeostasis

The self-regulating process by which biological systems maintain stability while adjusting to changing external conditions.

Neuropeptides

Small protein-like molecules used by neurons to communicate with each other, often playing a role in pain, reward, food intake, learning, and memory.