Find the first six terms of the sequence.a1 = 2, an = 3 ? an-1

A. 2, 6, 9, 12, 15, 18
B. 6, 18, 54, 162, 486, 1458
C. 2, 6, 18, 54, 162, 486
D. 0, 3, 6, 9, 12, 15


Answer: C

Mathematics

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A.  - 
B. (4x + 7)3/2
C.
D.

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Simplify the expression. If any variables are present, assume that they are positive.

A. 9
B. 15
C. 3
D. 3x

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Write the complex number in the form a + bi.4(cos -135° + i sin -135°)

A. -2 - 2i
B. -  - i
C. -  + i
D. -2 + 2i

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Use the rules of exponents to simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive real numbers.

A. y1/2
B. y 
C. y9/8
D.

Mathematics