Identify the vertex of the quadratic equation: 
A. 
B. 
C. 
D. none of these
Answer: C
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Solve the problem.Find the tangent line(s) at the pole for the curve 
A. ? = 0 (y = 0), ? = 
[y = (tan
)x], ? = 
[y = (tan
)x]
B. ? = 
[y = (tan
)x], ? = 
(x = 0), ? = 
[y = (tan
)x]
C. ? = 0 (y = 0), ? = 
[y = (tan 
)x], ? = 
[y = (tan 
)x], ? = 
[y = (tan 
)x], ? = 
[y = (tan 
)x]
D. ? = 
[y = (tan 
)x], ? = 
[y = (tan 
)x], ? = 
(x = 0), ? = 
[y = (tan 
)x], ? = 
[y = (tan 
)x]
Sketch the graph of the given equation over the interval [-2?, 2?].y = 
cos 
A. 
B. 
C. 
D. 
Consider the set of measurements.99.6 km, 774.5 km, 20.0 km, and 91.7 kmFind the measurement that is the most accurate. If all have the same accuracy, so indicate.__________Find the measurement that is the most precise. If all have the same precision, so indicate.__________
What will be an ideal response?
Find the maximum revenue for the revenue function 
. Round your answer to the nearest cent.
A. $40,500.00 B. $121,500.00 C. $30,375.00 D. $111,375.00 E. $122,500.00