In an experiment, students measured the speed s (in meters per second) of a falling object t seconds after it was released. The results are shown in the table below. Use the regression capabilities of a graphing utility to find a linear model for the data. Round all numerical values in your answer to one decimal place.
??
t01234s016.024.434.244.4?
A. 
B. 
C. 
D. 
E. 
Answer: A
Mathematics
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Simplify the rational expressions.
A. 
B. 
C. 
D. 
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Find the requested sum of the arithmetic sequence.Find the sum of the first 904 positive odd integers.
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Match the function with the graph that best describes the situation.The amount of rainfall as a function of time, if the rain fell more and more softly.
A. 
B. 
C. 
D. 
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