Determine if the graph should be modeled by either y = a sin bt + k or y = a cosbt + k , Then find a, b, and k.
y = 3cos (? x) ? 2
Mathematics
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Solve.(x + 5)2/5 = 16
A. x = -1029, x = 1019 B. x = -9, x = 9 C. x = -1024, x = 1024 D. x = -1019, x = 1029
Mathematics
Write the system of equations that corresponds to the augmented matrix.
A. 
B. 
C. 
D. 
Mathematics
Find the sum, regrouping when necessary.
A. 9660 B. 10,760 C. 9750 D. 10,650
Mathematics
Divide and simplify. Assume that all variables represent positive numbers. 
A. 
B. 
C. 
D. 
Mathematics