Simplify.
A. 1
B. 
C. 
D. 36
Answer: B
Mathematics
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Solve the problem.Find the tangent to y = cos x at x = 
.
A. y = - x - 
B. y = 1
C. y = - x + 
D. y = x + 
Mathematics
Graph the line.Through (0, 4), m = - 4
A. 
B. 
C. 
D. 
Mathematics
Rationalize the numerator of each fraction.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Wind speed varies in the first twenty meters above the ground. For a particular day, let 
compute the wind speed 
above the ground. What is the wind speed 
above the ground? Round your result to the nearest hundredth.
A. 8.60 meters per second B. -2.66 meters per second C. 9.56 meters per second D. 10.14 meters per second
Mathematics