A large region of forest has been infested with gypsy moths. The region is roughly triangular, as shown in the figure on the next page. From the northernmost vertex A of the region, the distances to the other vertices are x = 25 miles south and 10 miles east (for vertex B), and 20 miles south and 28 miles east (for vertex C). Use a graphing utility to approximate the number of square miles in this region.
?
?
A. 250 mi2
B. 280 mi2
C. 260 mi2
D. 290 mi2
E. 270 mi2
Answer: A
Mathematics
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Perform the indicated operations.
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A. 
B. 
C. 
D. 
Mathematics
Evaluate the second derivative of the function for the given value of x.f(x) = 4(1 + 3x)5, x = 
A. 640 B. 288 C. 1440 D. 5760
Mathematics
Multiply.0.0083 × 0.015
A. 0.0001245 B. 0.001245 C. 0.00000124 D. 0.00001245
Mathematics
Determine whether the function is continuous at the given point c. If the function is not continuous, determine whether the discontinuity is removable or nonremovable. f(x) = cos 
; c = 0
A. Discontinuous; removable, define f(0) = 0 B. Continuous C. Discontinuous; nonremovable D. Discontinuous; removable, define f(0) = 1
Mathematics