The function f(x) changes value when x changes from x0 to x0 + dx. Find the approximation error 
. Round your answer, if appropriate.f(x) = x2, x0 = 7, dx = 0.06
A. 0.0018
B. 0.0072
C. 0.7836
D. 0.0036
Answer: D
Mathematics
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A. 
B. 2 + 
C. -2 - 
D. 
Mathematics
Solve the problem.The weight of a person on or above the surface of the earth varies inversely as the square of the distance the person is from the center of the earth. If a person weighs 180 pounds on the surface of the earth and the radius of the earth is 3900 miles, what will the person weigh if he or she is 500 miles above the earth's surface? Round your answer to the nearest tenth of a pound.
A. 141.42 lb B. 142.82 lb C. 141.82 lb D. 140.92 lb
Mathematics
Add or subtract as indicated.6
+ 9
- 11
A. 15
- 11
B. 4
C. -3
- 11
D. 26
Mathematics
Find Dxy.y = (6x - 4)(6x + 1)
A. 72x - 30 B. 72x - 18 C. 36x - 18 D. 72x - 9
Mathematics