For problems 7-9 each of the sequences is arithmetic. Find the formula for the nth term. The 12th term is 156. The common difference is 12.

A.
B.
C.
D.
E. None of these


Answer: C

Mathematics

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Solve.The profit of Mythological Company last year was $246,000. This year's profit decreased by 8.8%. Find this year's profit.

A. $21,648 B. $216,480 C. $224,352 D. $29,520

Mathematics

Consider the pattern: ? 9 × 1-1=89 × 21-1=1889 × 321-1=28889 × 4321-1=38888  ? Use this pattern to find .

Fill in the blank(s) with the appropriate word(s).

Mathematics

The rule of the derivative of a function f is given. Find the location of all points of inflection of the function f.f'(x) = (x2 - 1)(x - 5)

A. 1.67 B. -1, 5, 1 C. -0.1, 3.43 D. 1, 5

Mathematics

Provide an appropriate response.For the function f(x) = 3x2 - 4x + 5, find f(-2a) - 2.

A. 12a2 + 4a + 3 B. 12a2 + 4a + 2 C. 12a2 + 8a + 5 D. 12a2 + 8a + 3

Mathematics