Find All X-Intercepts of the Function $$f ( x ) = x - 14 \sqrt { x } + 40$$

question 70

Multiple Choice

Find all x-intercepts of the function.
- $$f ( x ) = x - 14 \sqrt { x } + 40$$

• A)(10, 0), (4, 0)
• B)(100, 0), (16, 0)
• C) \[( \pm 10,0 ) , ( \pm 4,0 )\]
• D) \[( \pm \sqrt { 10 } , 0 ) , ( \pm 2,0 )\]

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