Graph the Function and Determine the Interval(s) for Which $f ( x ) \geq 0$

question 35

Multiple Choice

Graph the function and determine the interval(s) for which $f ( x ) \geq 0$ .
$f ( x ) = - x ^ { 2 } + 4 x$

• A) \(( - \infty , 0 ] \cup [ 4 , \infty )\)
• B) \([ 0,4 ]\)
• C) \(( 0,4 )\)
• D) \(( - \infty , 0 ) \cup ( 4 , \infty )\)
• E) \(\{ 4 \}\)

---

Definitions:

External Pressure

involves influences from outside an individual that compel them to act in a certain way, often contrary to their wishes or best interests.

Mental Pressure

A state of psychological strain caused by demanding circumstances.

Other People

A reference to individuals or groups outside of oneself or the immediate circle, often considered in the context of social interaction and influence.

Internal Validity

Psychological impact of the manipulations in an experiment.