The following data show the speed S, in miles per hour, of a car when the brakes are applied and the stopping distance D, in feet.
S 15 25 35 60 75 D 44.1 85.07 136.72 304.49 433.32?
A: Use power regression to model the stopping distance as a function of the speed. Use two digits of accuracy for the coefficient and for the power.B: Plot the data along with the power model you found in part A.C: According to the power model, if the speed is multiplied by 3, how is the stopping distance affected? Round your answer to two decimal places.
What will be an ideal response?
?
B:
?
?
C: The stopping distance is multiplied by 4.76.
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Use the at least once rule to find the indicated probability.A study conducted at a certain college shows that 61% of the school's graduates find a job in their chosen field within a year after graduation. Find the probability that among 8 randomly selected graduates, at least one finds a job in his or her chosen field within a year of graduating.
A. 0.125 B. 0.999 C. 0.981 D. 0.610
Provide an appropriate response.When solving a system of equations, you get x - 2 = x - 2. How many solutions are there?
A. No solutions B. Infinitely many C. One solution
Perform the indicated operation and simplify. Write the answer in the form a + bi.(-7 + 4i) + (12 + 5i)
A. 12 + 9i B. -5 + 9i C. 5 + 14i D. 5 + 9i
Use the graph of the rational function shown to complete the statement.
As x?-3+, f(x)? ?
A. 0 B. +? C. -? D. -3