Find the amplitude.y = 2 cos(3x - ?)
A. 2
B. 3
C. 6
D. ?
Answer: A
Mathematics
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Solve the problem.The growth rate of a certain tree (in feet) is given by y = 
+ e-t2/2 , where t is time in years. Estimate the total growth of the tree through the end of the second year by using Simpson's rule. Use 2 subintervals. Round your answer to the nearest hundredth.
A. 5.11 ft B. 3.68 ft C. 3.41 ft D. 2.34 ft
Mathematics
Solve.5% of 600 is what?
A. 30 B. 0.3 C. 300 D. 3
Mathematics
Classify the system as either consistent or inconsistent.
A. Consistent B. Inconsistent
Mathematics
Shade the region in the xy-plane that satisfies the system of inequalities.
+ 
? 1-x + y ? 3 
A. 
B. 
C. 
D. 
Mathematics