Find the sign of the following.tan 
, given that ? is in the interval (90°, 180°).
A. negative
B. positive
Answer: B
Mathematics
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Multiply.
A. 0.000954 B. 9.54 C. 0.954 D. 0.0954
Mathematics
Give an appropriate answer.If f(x, y, z) = (x4 + y2 + z)2 find fyy(x, y, z).
A. 4x4 + 12y2 + 4z B. 8y2(x4 + y2 + z) C. 4y2(x4 + y2 + z) D. 2x4 + 6y2 + 2z
Mathematics
Estimate the slope of the tangent line to the curve at the given point.
A. -1
B. 
C. 2
D. 1
Mathematics
Solve the initial-value problem.
Mathematics