Use the two-stage method to solve.Find x1 ? 0 and x2 ? 0 such that x1 + x2 ? 25 x1 + 2x2 ? 15 2x1 + x2 ? 30and z = 4x1 + 2x2 is maximized.
A. x2 = 30, x1 = 0, z = 60
B. x1 = 25, x2 = 0, z = 100
C. x1 = 15, x2 = 0, z = 60
D. x1 = 15, x2 = 10, z = 80
Answer: C
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or 
(as appropriate) using the given equations.x = 2u cosh 8v, y = 2u sinh 8v
A. 128v B. 32u C. 32v D. 128u
In an endeavor to curb population growth in a certain country, the government has decided to launch an extensive propaganda campaign. Without curbs, the government expects the rate of population growth to have been
?
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thousand people per year t years from now, over the next 5 years. However, successful implementation of the proposed campaign is expected to result in a population growth rate of
?
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thousand people per year t years from now, over the next 5 years. Assuming that the campaign is mounted, how many fewer people will there be in that country 5 years from now then there would have been if no curbs had been imposed?
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Please round your answer to the nearest integer number of thousands.
?
A. 43 thousand people
B. 42 thousand people
C. 47 thousand people
D. 56 thousand people
E. 53 thousand people
Provide an appropriate response.For the linear function f(x) = 2x + 1, find: (a) the slope and (b) the vertical axis intercept. (c) Sketch the graph of f.
What will be an ideal response?
Solve the equation or inequality graphically. Express solutions or endpoints of intervals rounded to the nearest hundredth, if necessary.
+ 
= 16
A. {13} B. {-13, 3} C. {13, -3} D. ?