The table below shows the cost S, in cents, of domestic first-class postage t years after 1900.
t19587885102 S24152237?
A: Use exponential regression to model S as a function of t. Round your answer to two decimal places.B: Plot the exponential model along with the data points.C: According to the exponential model, what is the percentage increase in postal rates each decade? Round your answer to two decimal places.
What will be an ideal response?
B:
C: 48.02%
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Find the second derivative of the function.s = 
A. 
= 5t3 - 
- 
B. 
= 5t4 - 
- 
C. 
= 20t5 + 
+ 
D. 
= 20t3 + 
+ 
Find the zeros for the polynomial function and give the multiplicity for each zero. State whether the graph crosses the x-axis or touches the x-axis and turns around, at each zero.f(x) = x3 + 3x2 - x - 3
A. -1, multiplicity 1, crosses the x-axis; 1, multiplicity 1, crosses the x-axis; - 3, multiplicity 1, crosses the x-axis. B. 1, multiplicity 2, touches the x-axis and turns around; - 3, multiplicity 1, crosses the x-axis. C. -1, multiplicity 1, touches the x-axis and turns around; 1, multiplicity 1, touches the x-axis and turns around; - 3, multiplicity 1, touches the x-axis and turns around D. 3, multiplicity 1, crosses the x-axis; 1, multiplicity 1, crosses the x-axis; - 3, multiplicity 1, crosses the x-axis.
Add. Simplify, if possible.
+ 
A. 
B. 1
C. 
D. 
Solve the problem.James walks and jogs to his favorite coffee shop to study each weekend. He averages 
walking and 
jogging. The distance from his home to the coffee shop is 
and he makes the trip in 
How long does James jog?
A. 3 hr B. 4 hr C. 1 hr D. 2 hr