Solve the problem.The bacteria in a 7-liter container double every 4 minutes. After 57 minutes the container is full. How long did it take to fill a quarter of the container?
A. 28.5 min
B. 14.3 min
C. 49 min
D. 42.8 min
Answer: C
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Suppose you start at the origin, move along the x-axis a distance of 5 units in the positive direction, and then move downward a distance of 3 units. What are the coordinates of your position?
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Solve the problem.The following data represents the average monthly minimum temperature for a certain city in California. 
Draw a scatter diagram of the data for one period. Find a sinusoidal function of the form 
that fits the data. Draw the sinusoidal function on the scatter diagram. Use a graphing utility to find the sinusoidal function of best fit. Draw the sinusoidal function of best fit on the scatter diagram.
What will be an ideal response?
Perform the indicated operations. Give the answer in lowest terms.
- 
+ 
A. 
B. 
C. 
D. 
Determine whether the equation is an identity.-x(x + 2) = -x2 + 2x
A. Yes B. No