Find the exact value of the expression using the provided information.Find cos(A + C) given that cos A = 
, with A in quadrant I, and 
with C in quadrant II.
A. 
B. 
C. - 
D. - 
Answer: C
Mathematics
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Use l'Hopital's Rule to evaluate the limit.
x sin 
A. 4
B. 
C. 1
D. 0
Mathematics
Use the integral test to determine whether the series converges.
A. diverges B. converges
Mathematics
Solve the problem.An object is propelled vertically upward from the top of a 224-foot building. The quadratic function 
models the ball's height above the ground, 
in feet, t seconds after it was thrown. How many seconds does it take until the object finally hits the ground? Round to the nearest tenth of a second if necessary.
A. 2.0 sec B. 7.0 sec C. 2 sec D. 2.5 sec
Mathematics
Sketch the graph of the rational function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics