Find a formula for the nth term of the arithmetic sequence shown in the graph.
A. an = n + 2
B. an = n - 2
C. an = n - 1
D. an = n + 1
Answer: B
Mathematics
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Determine if the given polar coordinates represent the same point.(3, ?/3), (-3, -2?/3)
A. No B. Yes
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Find the inverse of the function.f(x) = 
- 6, x ? 0
A. f-1(x) = -(x + 6)2, x ? 6 B. f-1(x) = (x - 6)2 C. f-1(x) = x + 6, x ? 6 D. f-1(x) = (x + 6)2, x ? 6
Mathematics
Use a calculator to approximate the logarithm to four decimal places.log 2061
A. 3.3162 B. 3.3120 C. 3.3141 D. 7.6309
Mathematics
Find the length of the third side of the right triangle. Assume that c represents the length of the hypotenuse. Give an exact answer and, if appropriate, an approximation to three decimal places.a = 1, c = 22
A. b = 
; b ? 22.023
B. b = 
; b ? 4.583
C. b = 21
D. b = 
; b ? 21.977
Mathematics