Find the nth, or general, term for the geometric sequence.1, 4, 16, ...
A. an = 41-n
B. an = 4(n - 1)
C. an = 4n
D. an = 4n-1
Answer: D
Mathematics
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Find an equation of the line that fits the description.Passes through (-5, 3) and is perpendicular to the x-axis
A. x = -5 B. x = 3 C. y = -5 D. y = 3
Mathematics
Solve the problem.The path of a point on the circumference of a circle, such as a point on the rim of a bicycle wheel as it rolls along, traces out a curve called a cycloid. To find the distance through which the point moves, it is necessary to simplify the expression (1 - cos ?)2 + sin2 ?. Perform this simplification.
A. 1 - 2 cos x B. 2 - 2 cos x C. 2 cos x D. 2 sin2 x
Mathematics
Solve the equation.-4a = 24
A. -28 B. 28 C. -6 D. 1
Mathematics
Simplify the complex fraction.
A. 4r + 5s
B. 
C. 
D. 5r + 4s
Mathematics