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) = 7x5 - 3x4 + 7x3 - 2
A. 1 or 3 positive; 0 negative
B. 1 or 3 positive; 1 or 3 negative
C. 1 positive; 1 or 3 negative
D. 0, 2, or 4 positive; 0 negative
Answer: A
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Provide an appropriate response.Use the quotient rule to explain why 90 = 1.
What will be an ideal response?
Determine whether the number is divisible by 2, 3, 4, 5, 6, 8, 9, and/or 10.3431
A. 3, 9 B. 3, 5 C. 3 D. None
Find the slope and the y-intercept of the equation.y = -4
A. 0; (0, 4) B. 0; (0, -4) C. -4; (0, 0) D. -4; (0, -4)
Solve the problem. Round to two decimal places unless otherwise indicated.In the following formula, y is the minimum number of hours of studying required to attain a test score of x: y = 
. How many hours of study are needed to score 91?
A. 4.60 hr B. 99.97 hr C. 46.00 hr D. 9.63 hr