Find or investigate the function as requested.If water is added to an empty tank such that the water level rises by 2 cm every 25 minutes, then what is the level of the water L(t) in the tank after t minutes?
A. L(t) = 50t
B. L(t) = 2t
C. L(t) = 
t
D. L(t) = 
t
Answer: D
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Find the surface area of the circular solid. Unless otherwise specified, use 3.14 for ? and round your answer to the nearest tenth.A sphere with r = 
in.
A. 2.3 in.2 B. 3.1 in.2 C. 2.0 in.2 D. 9.2 in.2
Solve the problem.A right triangular plate of base 4.0 m and height 2.0 m is submerged vertically, as shown below. Find the force on one side of the plate. 
4.0 m
A. 13,000 N B. 78,000 N C. 52,000 N D. 39,000 N
Solve the problem using the loan payoff table or an amortization table.
Marge and Tom Martin bought a new car for $26,500. They agreed to pay 20% down and make monthly payments for 4 years at 10% (compounded monthly) to pay off the rest. Find the amount of each monthly payment.
A. $537.63 B. $684.06 C. $672.11 D. $2,142.08
The matrix associated with the solution to a system of linear equations in x, y, and z is given. Write the solution to the system, if it exists.
A. infinitely many solutions of the form x = -2 - 4z, y = 1 + 3z, z = z B. infinitely many solutions of the form x = -2 - z, y = 1 + 3z, z = z C. infinitely many solutions of the form x = -2 - 4z, y = 1 + z, z = z D. infinitely many solutions of the form x = 1 + 3z, y = -2 - 4z, z = z