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.P(x) = -9x4 + 7x3 - 6x2 + 2x - 5
A. 0, 2, or 4 positive; 0, 2, or 4 negative
B. 0 or 2 positive; 0, 2, or 4 negative
C. 0, 2, or 4 positive; 0 negative
D. 0 or 2 positive; 0 negative
Answer: C
You might also like to view...
Evenly spaced data can be modeled by an exponential function if successive quotients are all the same.
Answer the following statement true (T) or false (F)
Find the logarithm using the change-of-base formula. Round to the nearest ten-thousandth.log? 64
A. 55.9084 B. 1.3238 C. 0.2752 D. 3.6331
Solve.A paperweight is in the shape of a square-based pyramid 9 centimeters tall. If an edge of the base is 
find the volume of the pyramid.
A. 6084 cu cm B. 507 cu cm C. 1521 cu cm D. 507 ? cu cm
Solve the linear programming problem.The Jillson's have up to $75,000 to invest. They decide that they want to have at least $25,000 invested in stable bonds yielding 6% and that no more than $45,000 should be invested in more volatile bonds yielding 12%. How much should they invest in each type of bond to maximize income if the amount in the more volatile bond should not exceed the amount in the more stable bond? What is the maximum income?
What will be an ideal response?