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 ? 3n
C. an = (-1)n + 1 ? 3n
D. an = (-1)n + 1 ? 3
Answer: C
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Determine whether the statement is true or false.The proper divisors of a natural number include all divisors of the number except 1.
A. True B. False
Use the given graph of f(x) = ax2 + bx + c to solve the specified inequality.f(x) ? 0
A. x ? 5 B. x ? 2 or x ? 5 C. 2 ? x ? 5 D. No solutions
From the graph of the parabola, determine whether the parabola opens upward or downward, and find the vertex, axis of symmetry, and range of the function. Find the maximum or minimum value of the function and the intervals on which the function is increasing or decreasing.
A. Up, (2, -9), x = -9, [-9, ?), min -9, dec (-?, 2], inc [2, ?) B. Up, (2, -9), x = 2, [-9, ?), min -9, dec (-?, 2], inc [2, ?) C. Up, (2, -9), x = 2, [-4, 8], min -4, dec (-?, 2], inc [2, ?) D. Up, (2, -9), x = 2, [-9, ?), min -4, dec (-?, 2), inc (2, ?)
Convert the angle from degrees to radians. Express the answer as a multiple of ?.30°
A. 
B. 
C. 
D. 