An amount P, invested at a simple interest rate r, will grow to an amount A in t years, according to the formula A = P ( 1 + r t ). Suppose a man invested some money at 5%. If after 5 years, he had $6,562.50 on deposit, what amount did he originally invest? Round your answer to the nearest integer.
A. P = $5,100
B. P = $5,050
C. P = $5,250
D. P = $5,350
Answer: C
Mathematics
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Evaluate the integral. 
A. 
- sin-1
+ C
B. 
- 4 ln
+ C
C. 
+ 4 ln
+ C
D. -sin-1
- 
+ C
Mathematics
Use the Trapezoidal Rule with n = 4 steps to estimate the integral.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The velocity of a body of mass m falling from rest under the action of gravity is given by the equation 
where k is a constant that depends on the body's aerodynamic properties and the density of the air, g is the gravitational constant, and t is the number of seconds into the fall. Find the limiting velocity, limt?? v, of a 320 lb. skydiver (mg = 320) when k = .006.
A. 230.94 ft/sec B. There is no limiting speed. C. 73.03 ft/sec D. 0.00 ft/sec
Mathematics
Divide.
A. 0 B. 20 C. Undefined D. -20
Mathematics