Evaluate the integral.
dx
A. 
B. 0
C. 
D. 2
Answer: D
Mathematics
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Determine if A ? B or A ? B.A = {x | x is a tree}B = {x | x is a maple tree}
A. A ? B B. A ? B
Mathematics
Multiply.(2x + 11y)2
A. 4x2 + 44xy + 121y2 B. 2x2 + 121y2 C. 2x2 + 44xy + 121y2 D. 4x2 + 121y2
Mathematics
Find the product. Write the product in rectangular form, using exact values.[3(cos 45° + i sin 45°)] [2(cos 90° + i sin 90°)]
A. -6
- 6
i
B. 3
- 12
i
C. 2
- 
i
D. -3
+ 3
i
Mathematics
Solve the problem.Find an exponential function to model the data below and use it to predict about how many widgets will be produced in 2019. Round to the nearest million widgets. 
A. 60 million widgets B. 20 million widgets C. 11 million widgets D. 41 million widgets
Mathematics