Write the first five terms of the geometric sequence with the first term a1 and common ratio r.a1 = 4, r = 3

A. 4, 7, 13, 31, 85
B. 1, 4, 12, 36, 108
C. 4, 12, 36, 108, 324
D. 12, 36, 108, 324, 972


Answer: C

Mathematics

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Solve the problem.A formula used by an engineer to determine the safe radius of a curve, R, when designing a particular road is:  where ? is the superelevation of the road and V is the velocity (in feet per second) for which the curve is designed. If   f = 0.1, and   find V. Round to the nearest foot per second.

A. V = 74 ft per sec B. V = 71 ft per sec C. V = 69 ft per sec D. V = 67 ft per sec

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Find the quotient.

A. 23
B. -33
C. - 
D. -23

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Give the equations of any horizontal asymptotes.g(x) = 

A. y = 1 B. none C. y = 8 D. y = 0

Mathematics

Find the standard form of the equation for the ellipse satisfying the given conditions. Center (0, 0); foci (0, ±5); b = 3

A.  +  = 1
B.  +  = 1
C.  +  = 1
D.  +  = 1

Mathematics