Use the X-Intercepts to Find the Intervals on Which the Graph

question 7

Multiple Choice

Use the x-intercepts to find the intervals on which the graph of f is above and below the x-axis.
- $$f ( x ) = ( x + 15 ) ^ { 2 }$$

• A) above the \(x\)-axis: \(( - \infty , - 15 )\)
• below the \(x\)-axis: \(( - 15 , \infty )\)
• B) above the \(x\)-axis: \(( - \infty , - 15 ) , ( - 15 , \infty )\)
• below the \(x\)-axis: no intervals
• C) above the \(x\)-axis: \(( - 15 , \infty )\)
• below the \(x\)-axis: \(( - \infty , - 15 )\)
• D) above the \(x\)-axis: no intervals
• below the \(x\)-axis: \(( - \infty , - 15 ) , ( - 15 , \infty )\)

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