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The following table shows the rate R, in accidents per hundred million miles, of accidents versus the speed s, in miles per hour. The data refers to urban streets at night. s 20 25 30 35 40 45 R 1600 700 250 300 700 1300? A: Use quadratic regression to model the accident rate as a function of the speed. Round your answers to two decimal places, if necessary.B: Plot the data along with the graph of the model you found in part A.C: According to the model you found, what is the safest speed to drive on urban streets at night? Round your answer to two decimal places.
What will be an ideal response?
Select the graph of the function: 
a. 
b. 
c. 
d. 
Determine whether the indicated ordered pair lies on the graph of the given equation.y = 
- 4, (4, 0)
A. Yes B. No
Solve the problem.If f varies jointly as q2 and h, and 
when q = 4 and 
, find q when 
and 
.
A. 3 B. 2 C. 5 D. 4