Find the derivative of y with respect to the appropriate variable.y = sinh-1 (cos x)
A. 
B. 
C. 
D. - sin x
Answer: B
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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) = 0 only from the left B. No continuous extension C. f(0) = 0 only from the right D. f(0) = 0
Find the infinite sum accurate to 3 decimal places.
A. 0.972 B. 1.036 C. -1.036 D. -0.972
Find the coordinates of the midpoint of the line segment PQ.P(2, 2), Q(6, 4)
A. (-4, -2)
B. 
C. 
D. (8, 6)
Use the Gauss-Jordan method to solve the system of equations.
A. x = 4, y = -3, z = -2 B. x = -3, y = 4, z = -2 C. x = 4, y = -2, z = -3 D. No solution