Solve.A single bacterium divides every 0.5 hour to produce two complete bacteria. If we start with a colony of 6000 bacteria, after t hours there will be 
bacteria. Find A'(t) and A'(1).
A. A'(t) = 6000(ln 2)2t; A'(1) = 8317 bacteria
B. A'(t) = 6000(ln 4)4t; A'(1) = 33,271 bacteria
C. A'(t) = 6000(ln 2)4t; A'(1) = 16,635 bacteria
D. A'(t) = 6000(ln 4)2t; A'(1) = 16,635 bacteria
Answer: B
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Find the point-slope form of the equation of the line satisfying the given conditions and use this to write the slope-intercept form of the equation.x-intercept = -5 and y-intercept = 1
A. y = 
x + 2
B. y = 
x + 1
C. y = 5x + 1
D. y = - 
x + 1
Solve the equation.1.1 = 19 - x
A. x = 17.9 B. x = 19.6 C. x = 20.1 D. x = 17.4
Use Gaussian elimination or Gauss-Jordan elimination to solve the problem.Anne and Nancy use a metal alloy that is 20.45% copper to make jewelry. How many ounces of a 12% alloy must be mixed with a 25% alloy to form 100 ounces of the desired alloy?
A. 37 oz B. 35 oz C. 65 oz D. 70 oz
Solve the problem.Two trains leave a train station at the same time. One travels east at 9 miles per hour. The other train travels west at 12 miles per hour. In how many hours will the two trains be 191.1 miles apart?
A. 9.6 hr B. 9.1 hr C. 18.2 hr D. 4.6 hr