Solve the system of equations.
A. x = 1, y = 2, z = 4; (1, 2, 4)
B. x = 1, y = 4, z = 2; (1, 4, 2)
C. x = 4, y = 1, z = 2; (4, 1, 2)
D. x = 4, y = 2, z = 1; (4, 2, 1)
Answer: A
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Determine if the given function can be extended to a continuous function at 
If so, approximate the extended function's value at 
(rounded to four decimal places if necessary). If not, determine whether the function can be continuously extended from the left or from the right and provide the values of the extended functions at 
Otherwise write "no continuous extension."f(x) = 
style="vertical-align: -17.0px;" /> A. f(0) = 1 B. f(0) = 1 only from the right C. f(0) = 1 only from the left D. No continuous extension
Reverse the order of integration and then evaluate the integral.
A. 
(2e - 1)
B. 
(2e - 1)
C. 
(e - 1)
D. 
(e - 1)
Add.
A. 160,451 B. 801,167 C. 140,341 D. 140,351
Write the product as a sum or difference containing only sines or cosines.sin(5?) sin(8?)
A. 
[cos(13?) - sin(3?)]
B. 
[cos(3?) - cos(13?)]
C. sin2(40?2)
D. 
[- cos(3?) - cos(13?)]