Find the average rate of change for the function between the given values.f(x) = 
; from 2 to 8
A. - 
B. 
C. 2
D. 7
Answer: B
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Use the information given about the angle ?, to find the exact value of the indicated trigonometric function.tan ? = 
, ? in quadrant III Find sin 2?.
A. - 
B. - 
C. 
D. 
Solve the problem.A jet plane traveling at a constant speed goes 1400 miles with the wind, then turns around and travels for 1200 miles against the wind. If the speed of the wind is 50 mph and the total flight took 4 hours, find the speed of the plane in still air.
A. 535 mph B. 625 mph C. 705 mph D. 650 mph
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
Verify the identity.(1 + tan2 x)(1 - sin2x) = 1
What will be an ideal response?