The given pattern continues. Write down the nth term of the sequence {an} suggested by the pattern.3, -6, 9, -12, ...
A. an = (-1)n ? 3
B. an = (-1)n + 1 ? 3n
C. an = (-1)n ? 3n
D. an = (-1)n + 1 ? 3
Answer: B
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Find the surface area of the solid.
A. 142 m2 B. 105 m2 C. 210 m2 D. 71 m2
Classify the function as a polynomial function, rational function, or root function, and then find the domain. Write the domain in interval notation.g(x) = 
A. rational function; (-?, 0) ? (0, ?) B. rational function; (-?, ?) C. rational function; (16, ?) D. rational function; (-?, -4) ? (-4, 4) ? (4, ?)
Express the relation shown in the graph as a set of ordered pairs.[1950, 2000, 10] by [0, 100, 10]
A. S = {(1960, 80), (1970, 70), (1990, -20), (1980, -40)} B. S = {(1960, -80), (1970, -70), (1990, 20), (1980, 40)} C. S = {(1960, 80), (1970, 70), (1990, 20), (1980, 40)} D. S = {(1970, 80), (1980, 70), (2000, 20), (1990, 40)}
Draw the angle.-150°
A. 
B. 
C. 
D. 