Use Descartes's Rule of Signs to determine the possible number of positive and negative real zeros for the given function.f(x) = -2x9 + x3 - x2 + 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
Answer: B
You might also like to view...
Use a power regression model for the following data to answer the following question. If x is multiplied by 4.00, what is the effect on y? Round your answer to two decimal places. x13478y3.2914.0221.4749.4558.91?
A. y is multiplied by 3.73. B. y is multiplied by 6.87. C. y is multiplied by 8.65. D. y is multiplied by 3.47.
Use the Ratio Test to determine if the series converges or diverges.
A. Diverges B. Converges
Find the slope of the polar curve at the indicated point.r = -5 csc ?, ? = 
A. Undefined B. -1 C. 0 D. 1
Compute the extension totals and the invoice total.
A. 
B. 
C. 
D. 