Solve the problem.Johnny must pay a 5% fee if he changes his airline ticket. Estimate the amount of the fee if the ticket he plans to change cost $439.87.
A. $2200.00
B. $220.00
C. $22.00
D. $8800.00
Answer: C
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Find the Cartesian coordinates of the given point.
A. (-1, 0) B. (0, 1) C. (1, 0) D. (0, -1)
Find the general solution of the equation.u'(x) = 7u + 2
A. u = Ce7x - 
B. u = Cex/7 + 
C. u = Cex/7 - 14
D. u = Ce2x - 
Solve the problem.A sailboat leaves port on a bearing of S72°W. After sailing for two hours at 12 knots, the boat turns 90° toward the south. After sailing for three hours at 9 knots on this course, what is the bearing to the ship from port? Round your answer to the nearest 0.1°.
A. N23.6°E B. S23.6°W C. S24.6°W D. N24.6°E
Identify where f is increasing and where f is decreasing.f(x) = -
A. increasing: [-8, ?); decreasing: never B. increasing: [8, ?); decreasing: never C. increasing: never; decreasing: [8, ?) D. increasing: never; decreasing: [-8, ?)