Find the exact value of the real number y.y = arccos 
A. - 
B. 
C. 
D. 
Answer: D
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Solve the problem.A model that describes the free fall of an object in a gravitational field subject to air resistance uses the equation src="https://sciemce.com/media/4/ppg__wesa0610191635__f1q76g5.jpg" alt="" style="vertical-align: -4.0px;" /> For what initial values 
where v(t) is the velocity of the object, for 
is the acceleration due to gravity, and 
is a constant that involve the mass of the object and the air resistance. Let 
are solutions increasing? decreasing? What is the equilibrium solution?
A. increasing for A < 19.6 and decreasing for A > 19.6; v(t) = 19.6
B. increasing for A > 19.6 and decreasing for A < 19.6; v(t) = 0
C. increasing for A < 19.6 and decreasing for A > 19.6; v(t) = 0
D. increasing for A > 19.6 and decreasing for A < 19.6; v(t) = 19.6
Provide an appropriate response.When calculating the assessed value of a property: I. the assessed value is a specified percent of the market value II. the same percentage will be applied to all property types within a city III. the percentage may vary according to the type of property
A. both I and III B. II only C. I only D. III only
Use a graphing calculator to solve the problem.Let f(x) = sin 
+ cos x on the interval I = (0, 7). Use the graph to estimate where f'(x) < 0 on I.
A. (0.51, 3.14) B. (0, 5.77) C. (0.51, 3.14) ? (5.77, 7) D. (0, 0.51) ? (3.14, 5.77)
Perform the indicated operation and simplify.
- 
A. 
B. 
C. 
D. 