Determine the maximum possible number of turning points for the graph of the function.f(x) = 6x3 + 5x2 - 9x - 15
A. 2
B. 3
C. 6
D. 0
Answer: A
Mathematics
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Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum 
, using the indicated point in the kth subinterval for ck.f(x) = cos x + 1, [0, 2?], midpoint
A. 
B. 
C. 
D. 
Mathematics
Write an algebraic equation and use it to solve the problem.Jason borrowed $9000 at a simple interest rate of 6.5% for three-quarters of a year. What was the interest?
A. $9438.75 B. $438.75 C. $43.88 D. $9043.88
Mathematics
Classify the angle as acute, right, obtuse, or straight.
A. Obtuse B. Right C. Straight D. Acute
Mathematics
Use Cramer's rule to solve the linear system.2x + 2y = 322x - 3y = -13
A. (-7, -9) B. (7, 9) C. (-9, 7) D. (9, 7)
Mathematics