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For the Polynomial, List Each Real Zero and Its Multiplicity f(x)=15x4(x23)(x3)f ( x ) = \frac { 1 } { 5 } x ^ { 4 } \left( x ^ { 2 } - 3 \right) ( x - 3 )

Question 208

Multiple Choice

For the polynomial, list each real zero and its multiplicity. Determine whether the graph crosses or touches the x-axis at
each x -intercept.
- f(x) =15x4(x23) (x3) f ( x ) = \frac { 1 } { 5 } x ^ { 4 } \left( x ^ { 2 } - 3 \right) ( x - 3 )


A) 0 , multiplicity 4 , touches x x -axis;
3 , multiplicity 1 , crosses x x -axis;
3 \sqrt{3} , multiplicity 1 , crosses x x -axis;
3 -\sqrt{3} , multiplicity 1 , crosses x x -axis

B) 0 , multiplicity 4 , crosses x \mathrm{x} -axis;
3 , multiplicity 1 , touches x x -axis

C) 0 , multiplicity 4 , crosses x x -axis;
3 , multiplicity 1 , touches x x -axis;
3 \sqrt{3} , multiplicity 1 , touches x x -axis;
3 -\sqrt{3} , multiplicity 1 , touches x x -axis

D) 0 , multiplicity 4 , touches x x -axis; 3 , multiplicity 1 , crosses x x -axis

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