Use the given information to find the exact value of the expression.sin ? = , ? lies in quadrant IFind cos 2?.

A. - 
B.
C.
D.


Answer: D

Mathematics

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Evaluate the integral.

A.
B.
C.
D. - 

Mathematics

Determine whether the given point is in the solution set to the given system.(-2, -1, 5) x - y + z = 42x - 8y - 3z = 243x + 4y + 2z = 7

A. Yes B. No

Mathematics

Determine the values of x for which the function is continuous. If the function is not continuous, determine the reason.f(x) = 

A. Not continuous at x = -5; function not defined B. Not continuous at x = -5; small change C. Not continuous at x = 6; small change D. Not continuous at x = 6, -5; function not defined

Mathematics

Solve the problem.The logistic growth function f(t) =   models the number of people who have become ill with a particular infection t weeks after its initial outbreak in a particular community. How many people were ill after 5 weeks?

A. 250 people B. 20,000 people C. 14,664 people D. 20,400 people

Mathematics