Solve the polynomial equation by using the root method.
x3 + 4 = 0
A. -2
B. 2, 0
C. 2
D. 2, -2
Answer: A
Mathematics
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Graph the function.y = -4 cos (2?x + 3?)
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression.4[-5 + 3(-5 + 7)]
A. 4 B. -14 C. -16 D. -20
Mathematics
Evaluate the expression for the given replacement values.x ÷ y for x = 0.155, y = 0.31
A. 0.05 B. 2 C. 0.5 D. 20
Mathematics
Solve the problem.The sales of a mature product (one which has passed its peak) will decline by the function S(t)= S0e-at, where t is time in years. Find the sales after 11 years if a = 0.24 and S0 = 20,700. Round to the nearest sale.
A. 1162 sales B. 739 sales C. 16,283 sales D. 1477 sales
Mathematics