Solve the problem.A rectangular box with volume 470 cubic feet is built with a square base and top. The cost is $1.50 per square foot for the top and the bottom and $2.00 per square foot for the sides. Let x represent the length of a side of the base. Express the cost the box as a function of x.
A. C(x) = 2x2 + 
B. C(x) = 4x + 
C. C(x) = 3x2 + 
D. C(x) = 3x2 + 
Answer: D
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Find the domain and range of the inverse of the given function.f(x) = 
A. Domain and range: all real numbers B. Domain: [4, ?); range: [4, ?) C. Domain: [4, ?); range: [0, ?) D. Domain: [0, ?); range: [4, ?)
Use the two steps for solving a linear programming problem to solve the problem.A breed of cattle needs at least 10 protein and 8 fat units per day. Feed type I provides 6 protein and 2 fat units at $4 per bag. Feed type II provides 2 protein and 3 fat units at $3 per bag. What mixture of Feed type I and Feed type II will fill the dietary needs at minimum cost? Let x represent the number of bags of Feed type I and y represent the number of bags of Feed type II.
A. 4 bags Feed type I and 0 bags Feed type II B. 1 bag Feed type I and 2 bags Feed type II C. 0 bags Feed type I and 5 bags Feed type II D. 1 bag Feed type I and 1 bag Feed type II
Provide an appropriate response.State the property of real numbers that is being used: (4 + x) + y = 4 + (x + y)
Fill in the blank(s) with the appropriate word(s).
Solve the problem.Find the amount of money in an account after 10 years if $2100 is deposited at 4% annual interest compounded annually.
A. $3120.49 B. $3126.61 C. $3108.51 D. $3130.75