Use Descartes' Rule of Signs to determine the possible number of positive and negative real zeros for the polynomial
function.
-$f ( x ) = - 5 x ^ { 7 } + x ^ { 3 } - x ^ { 2 } + 4$
A)2 or 0 positive zeros, 3 or 1 negative zeros
B)3 or 1 positive zeros, 2 or 0 negative zeros
C)2 or 0 positive zeros, 2 or 0 negative zeros
D)3 or 1 positive zeros, 3 or 1 negative zeros

Question

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The Answer of Use Descartes' Rule of Signs to determine the possible number of positive and negative real zeros for the polynomial
function.
-$f ( x ) = - 5 x ^ { 7 } + x ^ { 3 } - x ^ { 2 } + 4$
A)2 or 0 positive zeros, 3 or 1 negative zeros
B)3 or 1 positive zeros, 2 or 0 negative zeros
C)2 or 0 positive zeros, 2 or 0 negative zeros
D)3 or 1 positive zeros, 3 or 1 negative zeros

Use Descartes' Rule of Signs to Determine the Possible Number f(x)=−5x7+x3−x2+4f ( x ) = - 5 x ^ { 7 } + x ^ { 3 } - x ^ { 2 } + 4f(x)=−5x7+x3−x2+4

Use Descartes' Rule of Signs to Determine the Possible Number $f ( x ) = - 5 x ^ { 7 } + x ^ { 3 } - x ^ { 2 } + 4$