Graph a parabola having the stated characteristics.Passing through points (-2, -1), (-1, 2), (0, 3), (1, 2) and (2, -1).
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the problem.The range x of a projectile fired with velocity vo at an angle ? with the horizontal is given by 
where g is gravitational acceleration. Determine x in terms of vo and g for ? = 21°.
A. 
B. 
C. 0.67
D. 
Mathematics
Change the order of integration and evaluate the integral.
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Solve the problem.What is the range of the cotangent function?
A. all real numbers from -1 to 1, inclusive B. all real numbers greater than or equal to 1 or less than or equal to -1 C. all real numbers, except integral multiples of ?(180)° D. all real numbers
Mathematics
Rationalize the denominator. Assume all variables represent positive numbers.
A. 3
B. 
C. 
D. 3
Mathematics