Find the derivative of the function.y = ?4e-2? cos 8?
A. ?3e-2?(4 cos 8? - 2 cos 8? + 8 cos 8?)
B. -56?3e-2? sin 8?
C. -8?3e-2? sin 8?
D. ?3e-2?(4 cos 8? - 2? cos 8? - 8? sin 8?)
Answer: D
Mathematics
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Solve the initial value problem.
= et sin (et - 8), y(ln 8) = 0
A. y = sin et - sin 2 B. y = -cos (et - 8) + 1 C. y = et cos (et - 8) - 8 D. y = cos (et - 8) - 1
Mathematics
Subtract. Use borrowing, if necessary.
A. 783 B. 567 C. 667 D. 657
Mathematics
Find the indicated fractional part.
of -35
A. - 
B. -15
C. - 
D. 12
Mathematics
Find the distance d(P1, P2) between the points P1and P2.P1 = (2, -2); P2 = (4, -6)
A. 2
B. 12
C. 6
D. 12
Mathematics