Solve the problem.An architect needs to design a rectangular room with an area of 
. What dimensions should he use in order to minimize the perimeter?
A. 17.5 ft x 17.5 ft
B. 14 ft x 70 ft
C. 8.37 ft x 17.5 ft
D. 8.37 ft x 8.37 ft
Answer: D
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Solve the problem.The number of fish in a pond stocked by a state conservation department is 
where x is time in months. After 20 months, what is the number of fish? (Round to the nearest whole number.)
A. 29 B. 26 C. 28 D. 31
Solve the problem.Find the equation of the line normal to the curve 
where x = 1.
A. -4e2x + y + 3e2 = 0 B. x + 4e2y - 4e4 - 1 = 0 C. x + 3e2y - 3e4 - 1 = 0 D. -x + 4e2y - 4e4 - 1 = 0
If the following defines a one-to-one function, find its inverse. If not, write "Not one-to-one."f(x) = 3x + 2
A. f-1(x) = 
B. Not one-to-one
C. f-1(x) = 
- 2
D. f-1(x) = 
Write the partial fraction decomposition of the rational expression.
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 