Find the derivative of the function.y = 9 sin (7x - 2)
A. 
= 9 cos (7x - 2)
B. 
= -7 cos (7x - 2)
C. 
= 63 cos (7x - 2)
D. 
= 7 sin (7x - 2)
Answer: C
Mathematics
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Solve the problem.Find the distance from the point 
to the plane 
A. 
B. 
C. 
D. 
Mathematics
Using Green's Theorem, calculate the area of the indicated region.The area bounded above by y = 6 and below by y = 
x2
A. 144 B. 72 C. 0 D. 36
Mathematics
Find T, N, and B for the given space curve.r(t) = (cosh t)i + (sinh t)j + tk
A. T = - 
(tanh t sech t)i + 
j + 
(sech t)k; N = (-sech t)i - (tanh t)k; 
B. T = 
(tanh t sech t)i + 
j + 
(sech t)k; N = (sech2 t)i - (sinh t)k; 
C. T = - 
(tanh t)i + 
j + 
(sech t)k; N = (-sech t)i - (sinh t)k ; 
D. T = 
(tanh t)i + 
j + 
(sech t)k; N = (sech t)i - (tanh t)k; 
Mathematics
Divide, if possible.9 ÷ 1
A. 1 B. 9 C. 0 D. Undefined
Mathematics