A sports car is moving at a constant speed and then starts to accelerate. The following table shows the velocity V, in miles per hour, of a sports car t seconds after it begins accelerating. Round your answer to two decimal places, if necessary.
t 2 2.5 3 3.5 V 41 47.67 54.34 61.01?
A: Complete a table of changes to show that the data are linear.B: Find a linear model for the data.C: By how much does the velocity increase over a 3-second period?
What will be an ideal response?
A
| Change in t | From 2 to 2.5 | From 2.5 to 3 | From 3 to 3.5 |
| Change in V | 6.67 | 6.67 | 6.67 |
?
B: 
C: The velocity increases by 40.02 miles per hour.
Mathematics
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