Write the first four terms of the sequence.an = (-1)n-1(4n - 8)
A. a1 = -4, a2 = -16, a3 = 4, a4 = -8
B. a1 = -4, a2 = 0, a3 = 4, a4 = 8
C. a1 = -4, a2 = -0, a3 = 4, a4 = -8
D. a1 = 4, a2 = 0, a3 = -4, a4 = -8
Answer: C
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A. (1, 0)
B. (1, ?)
C. 
D. 
Which school task most closely reflects frequentist probability?
a. Computing the exact probability of obtaining "heads" on each of two coins flipped simultaneously. b. Estimating the probability of obtaining "heads" on each of two coins flipped simultaneously by doing many flips. c. Estimating the probability that a baseball team will win their first game of the season. d. Engaging in an inquiry-oriented curriculum where students are frequently assigned probability exercises.
Use a double-angle identity to find the exact value of the expression.1 - 2 sin2 67.5°
A. - 
B. 
C. 
D. - 
Graph the polar equation.r = 2(1 + 3 sin ?)
A. 
B. 
C. 
D. 