Find the Domain of the Expression $$\frac { y } { y ^ { 2 } - 25 }$$

question 624

Multiple Choice

Find the domain of the expression.
- $$\frac { y } { y ^ { 2 } - 25 }$$

• A) \(\{ y \mid y \neq 625\) and \(y \neq - 625 \}\)
• B) \(\{ y \mid y \neq 0 \}\)
• C) \(\{ y \mid y \neq 25\) and \(y \neq - 25 \}\)
• D) \(\{ y \mid y \neq 5\) and \(y \neq - 5 \}\)

---

Definitions:

Real-World Setting

A real-world setting refers to actual, not theoretical or simulated, environments and situations where events take place or data is collected.

Independent Variable

The variable that researchers manipulate in an experiment.

Dependent Variable

The variable that researchers measure in an experiment and expect to change as a result of the experimental manipulation.

Bioecological Levels

Layers or tiers within the bioecological model that represent different contexts of human development, from immediate surroundings to broader societal influences.