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) = -2x4 + 9x3 - 7x2 + 9x - 7
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.Evaluate 
by expanding down the second column. Show all your work.A = 
What will be an ideal response?
Solve the equation by the Square Root Method.(4x + 2)2 = 36
A. {1, 2} B. {0, 1} C. {-10, 10} D. {-2, 1}
Use a formula from the list provided to find the area of the figure. 
A. 76.2 square feet B. 38.85 square feet C. 77.7 square feet D. 155.4 square feet
A rumor is spread by word of mouth to a potential audience of 3000 people. After t days, 
people will have heard the rumor. The graphs are shown below. 
At what rate will the rumor be spreading when half of the potential audience has heard the rumor? Enter just an integer rounded to the nearest hundred (no units).
Fill in the blank(s) with the appropriate word(s).