Use the order of operations to simplify the expression.-12 + (5 ? 3 + 40) ÷ 5

A. -1
B. 11
C. -3
D. 1

Answer: A

Mathematics

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The graph shows a region of feasible solutions. Find the maximum or minimum values of the given expression.Find the maximum and minimum of 5x + 7y.

A. 50, 28 B. -20, -45 C. 45, 20 D. 30, 35

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Mathematics

Integrate the given expression.

A. x3 - 8x2 - 24x + C
B. 8x - 10 + C
C. 4x3 - 10x2 - 24x + C
D. x3 - 5x2 - 24x + C

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Mathematics

Provide an appropriate response.Given that f(x) = x -  and that f-1(x) = , find f-1[f(x)].

A. f-1[f(x)] = 
B. f-1[f(x)] = x
C. f-1[f(x)] = 
D. f-1[f(x)] = 

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Mathematics

Solve the problem.The table shows the number of dollars spent in Country X (in millions) on environmental protection programs during the years  through . Find the cubic model that is the best fit for this data. Round coefficients to three decimal places. 

A. f(x) = 0.005x3 - 0.102x2 + 0.805x + 4.697 B. f(x) = 0.007x3 - 0.105x2 + 0.805x + 4.397 C. f(x) = -0.010x2 + 0.446x + 5.759 D. f(x) = -0.010x2 + 0.346x + 5.253

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Mathematics