Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.f(x) = 2x8 + 4x6 + 2x4 + 7x2 + 2
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Evaluate.
2
A. 
B. 
C. 
D. 
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Graph the linear equation.y = 4x - 6
A. 
B. 
C. 
D. 
Mathematics
Plot the point given in polar coordinates.(-2, 45°) 
A. 
B. 
C. 
D. 
Mathematics
Find the area between the graph of the function and the x-axis over the given interval, if possible.f(x) = 16e-x for (-?, e]
A. 1.056 B. -1.056 C. -242.464 D. Divergent
Mathematics