Graph the Function $f(x)=x^{2}+4$ A) Domain $( - \infty , \infty )$

question 143

Multiple Choice

Graph the function. State the domain and range of the function.
- $f(x) =x^{2}+4$

• A) domain: \(( - \infty , \infty )\); range: \(( - 4 , \infty )\)
• B) domain: \(( - \infty , \infty )\); range: \(( 0 , \infty )\).
• C) domain: \(( - \infty , \infty )\); range: \(( 0 , \infty )\)
• D) domain: \(( - \infty , \infty )\); range: \(( 4 , \infty )\)

---

Definitions:

Dependent Variable

Factor that an experimenter seeks to predict.

Distractions

Things that divert an individual's attention from the intended object of focus, potentially reducing efficiency and increasing errors.

Performance Scores

Quantitative measures used to evaluate the effectiveness or achievement level of an individual in a specific task or assessment.

Null Hypothesis

Alternative to a primary hypothesis, stating that there is no relationship between the independent variable and the dependent variable.