Determine whether the given polar coordinates represent the same point.(3, 26°), (-3, -26°)
A. Yes
B. No
Answer: B
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Calculate the surface area of the given surface.The surface f(x,y) = x2 + y2, -1 ? x, y ? 2. (Hint: Do the first integral by substitution or using a formula from the Table of Integrals. Use numerical integration to do the outer integral.)
A. 35.5222 B. 18.4734 C. 25.3332 D. 29.3516
The table below shows the cost S, in cents, of domestic first-class postage t years after 1900. t19587885102 S24152237? A: Use exponential regression to model S as a function of t. Round your answer to two decimal places.B: Plot the exponential model along with the data points.C: According to the exponential model, what is the percentage increase in postal rates each decade? Round your answer to two decimal places.
What will be an ideal response?
Use Simpson's Rule to find the area.A pond was measured every 290 m. The distances across the pond (in meters) are given in the diagram. Find the area.
A. 1,700,000 m2 B. 1,800,000 m2 C. 1,600,000 m2 D. 1,500,000 m2
Evaluate the indicated function with the given information.Find cos 2x if sin x = - 
(in fourth quadrant).
A. 
B. - 
C. - 
D. 