Suppose that in a certain culture, the equation 
expresses the number of bacteria present as a function of the time t, where t is expressed in hours. How many bacteria are present at the end of 2 hours?The choices are rounded to the nearest whole.
A. 5,564 bacteria
B. 6,009 bacteria
C. 890 bacteria
D. 824 bacteria
E. 2,226 bacteria
Answer: E
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A small dog will weigh 22 pounds at adulthood. The following table shows the weight W, in pounds, t months after birth. The difference 
between his maximum weight and his current weight is given in the third row of the table.
t 3 5 7 9 11 W 7.48 12.99 16.12 17.15 18.37
14.52 9.01 5.88 4.85 3.63?
A: Use exponential regression to model the difference 
as a function of t. Round your answer to two decimal places.B: Use the model you found in part A to find a formula that gives the approximate weight W at age t months. Round your answer to two decimal places.C: Plot the graph of W versus t along with the data points for weight.D: At what age does the dog weigh 21.16 pounds? Round your answer to two decimal places.
What will be an ideal response?
Multiply.(-9) × 3
A. 18 B. -30 C. -18 D. -27
Provide an appropriate response.In those states with a sales tax, all items offered for sale are subject to the tax.
A. True B. False
Write the percent as a fraction or mixed number in lowest terms.
%
A. 
B. 
C. 6
D. 