Approximate the coordinates of each turning point by graphing f(x) in the standard viewing rectangle. Round to the nearest hundredth, if necessary.f(x) = -x3 + 
x2 + 6x - 3
A. (-2, -1) and (1, 3.5)
B. (-1, -6.5) and (2, 7)
C. (-2, -1) and (-1, -6.5)
D. (-1, -6.5) and (1, 3.5)
Answer: B
Mathematics
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Find the sum.44 + (-39)
A. -83 B. 83 C. -84 D. 5
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Rewrite as a product; then evaluate.104
A. 10 ? 4 = 40 B. 10 ? 10 ? 10 ? 10 = 10,000 C. 10 + 10 + 10 + 10 = 40 D. 10 + 4 = 14
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Solve the problem.A weight attached to a spring is pulled down 4 inches below the equilibrium position. Assuming that the frequency of the system is 
cycles per second, determine a trigonometric model that gives the position of the weight at time t seconds.
A. y = -4 cos 
t
B. y = 4 cos 6t
C. y = 4? cos 3t
D. y = -4 cos 6t
Mathematics