Write the first four terms of the geometric sequence whose first term and common ratio are given.a = 4; r = 2
A. 8, 16, 32, 64, . . .
B. 4, 6, 8, 10, . . .
C. 2, 8, 32, 128, . . .
D. 4, 8, 16, 32, . . .
Answer: D
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Find y".y = 6 sin(3x + 7)
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Solve.log2
= x
A. x = 
B. x = 2
C. x = 
D. x = -2