Use the formula for the general term (the nth term) of a geometric sequence to find the indicated term of the sequence with the given first term, a1, and common ratio, r.Find a11 when a1 = -5, r = 2.

A. -5120
B. 15
C. -10,240
D. -5116


Answer: A

Mathematics

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Evaluate the function.Given f(x) = 12x + 18, find f(-1).

A. 6 B. -30 C. 12 D. 30

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Determine how many Hamilton circuits the graph has.A complete graph with 51 vertices.

A. 50! B. 512 C. 51 D. 51!

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Use the sum/difference identities to simplify the expression. Do not use a calculator.cos 170° cos 50° + sin 170° sin 50°

A. cos 120° B. cos 190° C. cos 210° D. cos 220°

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Perform the requested operation on the given function.f(x) = , g(x) = Find (fg)(x).

A. (4x + 2)(4x - 25)
B. ()()
C. (4x + 2)(2x - 5)
D. (2x - 5)()

Mathematics