Question: The following statement is false, explain why. The polynomial function f(x)=2x 5 +3x 4 -8x 3 -5x+9 has three variations in sign. The statement is

The following statement is false, explain why.

The polynomial function f(x)=2x5+3x4-8x3-5x+9 has three variations in sign.

The statement is false, because there is(are) ____ variation(s) in sign. (Fill in the blank)

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