Write the first four elements of the sequence. sin (n?)
A. 0, 1, 0, -1
B. 1, 1, 1, 1
C. 1, 0, -1, 0
D. 0, 0, 0, 0
Answer: D
Mathematics
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Sketch the surface z = f(x,y).f(x, y) = 3 - x2
A. 
B. 
C. 
D. 
Mathematics
Evaluate the integral.
A. cosh-1 4x + C
B. - 
cosh 4x + C
C. cosh 4x + C
D. 
cosh 4x + C
Mathematics
Represent the following with a graph.
A. 
B. 
C. 
D. 
Mathematics
Find the sample standard deviation of the data set.
Use the following information to answer question, 24 students in an engineering class were asked to record the number of hours spent in a lab during a week. The results are listed below. 3, 10, 21, 14, 8, 5, 1, 4, 13, 7, 9, 6, 11, 10, 6, 7, 12, 16, 1 , 7, 14, 1, 11, 8
Mathematics