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

question 119

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) \(\{ 4 \}\)

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