The function s = f(t) gives the position of a body moving on a coordinate line, with s in meters and t in seconds.s = 9t - t2, 0 ? t ? 9Find the body's speed and acceleration at the end of the time interval.
A. 9 m/sec, -18 m/sec2
B. 9 m/sec, - 2 m/sec2
C. 27 m/sec, -18 m/sec2
D. -9 m/sec, - 2 m/sec2
Answer: B
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Solve the problem.Find the measure of an angle, if its supplement measures 58° more than twice its complement.
A. 58° B. 32° C. 116° D. 68°
Solve the equation and check your proposed solution. = 13
A. 18 B. -65 C. 65 D. -18
Determine whether the relation is a function. Give domain and range of the relation.{(-2, 8), (0, 4), (4, 0), (6, -2)}
A. not a function; domain: {-2, 0, 4, 6}, range: {8, 4, 0, -2} B. function; domain: {-2, 0, 4, 6}, range: {8, 4, 0, -2} C. not a function; domain: {8, 4, 0, -2}, range: {-2, 0, 4, 6} D. function; domain: {8, 4, 0, -2}, range: {-2, 0, 4, 6}
Use Bayes' rule to find the indicated probability.The incidence of a certain disease on the island of Tukow is 4%. A new test has been developed to diagnose the disease. Using this test, 91% of those who have the disease test positive while 4% of those who do not have the disease test positive (false positive). If a person tests positive, what is the probability that he or she actually has the disease?
A. 0.438 B. 0.487 C. 0.91 D. 0.856