Solve the problem.The population in a certain bacteria culture was approximately 103 at time t1. Later, at time t2, it was approximately 106. By what factor did the population grow?

A. 103
B. 3
C.
D.


Answer: A

Mathematics

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The following table shows federal expenditures M, in billions of dollars, on national defense t years after 2004.  t 0 2 3 4 M 455.76 495.88 521.23 551.68A: Find the equation of the regression line.B: Plot the data along with the regression line.C: Explain in practical terms the meaning of the slope of the regression equation.D: What expenditure does the regression line predict for 2012?

What will be an ideal response?

Mathematics

Determine whether the following is always true or not always true. Given reasons for your answers.|u| = 

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Mathematics

Find the derivative.y = 18x sin 19x

A. 342x cos 19x + 18 sin 19x B. 342x cos 19x + sin 19x C. 342x cos 18x + 18 sin 19x D. -342x cos 19x + 18 sin 19x

Mathematics

Provide an appropriate response.Explain in your own words what it means for a system of two equations in two variables to be dependent.

What will be an ideal response?

Mathematics