Find the Limit of the Function by Using Direct Substitution $\lim _ { x \rightarrow 0 } \left( x ^ { 2 } - 5 \right)$

question 35

Multiple Choice

Find the limit of the function by using direct substitution.
- $\lim _ { x \rightarrow 0 } \left( x ^ { 2 } - 5 \right)$

• A) Does not exist
• B) \(- 5\)
• C) 5
• D) 0

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Definitions:

Hypothetical Variable

A variable that is not directly observable, proposed to explain relationships and effects in scientific models.

Dependent Variable

In research, the variable that is being measured or tested to see how it is affected by changes in another variable (the independent variable).

Independent Variable

The variable in an experimental study that is manipulated by the researcher to investigate its effect on the dependent variable.

Control Variable

A variable that is kept constant during a scientific experiment to ensure that the effect of the independent variable on the dependent variable is observed without interference.