Find the derivative.f(x) = 
5
A. 
4? 
B. 
4? 
C. 
4
D. 
4
Answer: A
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Find the limit.
- 
A. 2
B. ?
C. 0
D. -?
Solve. Use the fact that the radius of the Earth is 3960 miles and 1 mile = 5280 feet.A person who is 7 feet tall is standing on the beach and looks out onto the ocean. Suddenly, a ship appears on the horizon. How far is the ship from the shore? Round to the nearest tenth of a mile.
A. 5600.3 mi B. 4.6 mi C. 3.2 mi D. 235.6 mi
Solve the problem. Round money to the nearest cent, if necessary, rates to the nearest whole percent, and time to the nearest month.If the principal of a loan is $15,400, the rate of interest is 16%, and the time of the loan is 5 years, what is the total amount of the loan?
A. $12,320 B. $20,212.50 C. $15,892.80 D. $27,720
Use the Gauss-Jordan method to find A-1, if it exists.A = 
A. 
B. 
C. 
D. Does not exist