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Find the X-Intercepts of the Polynomial Function x514x3+45x=0x ^ { 5 } - 14 x ^ { 3 } + 45 x = 0

Question 164

Multiple Choice

Find the x-intercepts of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and
turns around, at each intercept.
- x514x3+45x=0x ^ { 5 } - 14 x ^ { 3 } + 45 x = 0


A) 0 , touches the xx -axis and turns around;
9 , touches the xx -axis and turns around;
5 , touches the xx -axis and turns around
B) 0 , crosses the xx -axis;
3 , crosses the xx -axis;
3- 3 , crosses the xx -axis;
5\sqrt { 5 } , crosses the xx -axis;
5- \sqrt { 5 } , crosses the xx -axis
C) 0 , crosses the xx -axis;
9 , touches the xx -axis and turns around;
5 , touches the xx -axis and turns around
D) 0 , touches the xx -axis and turns around;
3 , crosses the xx -axis;
3- 3 , crosses the xx -axis;
5\sqrt { 5 } , crosses the xx -axis;
5- \sqrt { 5 } , crosses the xx -axis

Correct Answer:

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