Solve the problem.If a projectile is fired at an angle ? and initial velocity v, then the horizontal distance traveled by the projectile is given by 
Express D as a function of 2?.
A. D = 
v2 cos 2?
B. D = 
v2 sin 2?
C. D = 
v2 sin 2?
D. D = 
v2 sin 2?
Answer: C
Mathematics
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Evaluate the expression.641/3
A. 4 B. 256 C. 12 D. 768
Mathematics
Find the domain and range of the function represented in the graph.
A. Domain: [-?, 2?]; Range: [0, 2] B. Domain: [-2?, 2?]; Range: [-4, 4] C. Domain: [-2, 2]; Range: [-?, 2?] D. Domain: [-?, 2? ]; Range: [-2, 2]
Mathematics
Solve the problem.In a course with 300 students, 10% received an A on the final exam. How many students earned an A?
A. 30 B. 300,000 C. 300 D. 10
Mathematics
Evaluate the expression for the given values.
(a) x = 3(b) x = - 3(c) x = 0
A. (a) 2
(b) 
(c) 
B. (a) 
(b) 
(c) 
C. (a) 
(b) 
(c) 
D. (a) 2
(b) 
(c) 
Mathematics