Find -x for the given value of x.x = - 

A.
B. - 
C. - 
D.


Answer: A

Mathematics

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Graph the function.y = -2x2

A.

B.

C.

D.

Mathematics

Solve the problem.A formula for calculating the distance, d, one can see from an airplane to the horizon on a clear day is  where x is the altitude of the plane in feet and d is given in miles. How far can one see in a plane flying at 23,000 feet? Round your answer to the nearest tenth mile, if necessary.

A. 1403 mi B. 185.0 mi C. 14,030 mi D. 167.5 mi

Mathematics

Write out the first five terms of the sequence.{sn} = 

A. s1 = , s2 = , s3 = , s4 = , s5 = 
B. s1 = , s2 = , s3 = , s4 = , s5 = 
C. s1 = , s2 = , s3 = , s4 = , s5 = 
D. s1 = , s2 = , s3 = , s4 = , s5 = 

Mathematics

Find an equation of the circle with the center at (-5, 1) and the radius of 1.

Mathematics