Use a Graphing Utility to Graph the Function and Visually $$f ( x ) = 2 x ^ { 4 } - 4 x ^ { 2 }$$

question 107

Multiple Choice

Use a graphing utility to graph the function and visually determine the intervals over which the function is increasing, decreasing, or constant. $$f ( x ) = 2 x ^ { 4 } - 4 x ^ { 2 }$$

• A)
• decreasing on \(( 0,0 )\)
• increasing on \(( 0 , \infty )\)
• B)
• increasing on \(( - \infty , - 1 )\)
• decreasing on \(( - 1,0 )\)
• increasing on \(( 0,1 )\)
• decreasing on \(( 1 , \infty )\)
• C)
• decreasing on \(( - \infty , - 1 )\)
• increasing on \(( - 1,1 )\)
• decreasing on \(( 1 , \infty )\)
• D)
• increasing on \(( - \infty , 0 )\)
• decreasing on \(( 0 , \infty )\)
• E)
• decreasing on \(( - \infty , - 1 )\)
• increasing on \(( - 1,0 )\)
• decreasing on \(( 0,1 )\)
• increasing on \(( 1 , \infty )\)