Write the first four terms of the sequence defined by the recursion formula.a1 = 5 and an = 3an-1 for n ? 2
A. 5, 17, 47, 137
B. 5, 15, 45, 135
C. 5, 14, 13, 12
D. 12, 36, 108, 216
Answer: B
Mathematics
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Give a geometric description of the set of points whose coordinates satisfy the given conditions.(x - 10)2 + (y - 8)2 + (z - 3)2 < 1
A. All points within the lower hemisphere centered at (10, 8, 3) B. No set of points satisfy the given relations. C. All points outside the lower hemisphere centered at (10, 8, 3) D. All points on the lower hemisphere centered at (10, 8, 3)
Mathematics
Solve.
= 
A. {0} B. {5} C. {10} D. ?
Mathematics
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos 2? = - 
, 
< 2? < ?Find sin ?.
A. - 
B. - 
C. 
D. 
Mathematics
Divide and simplify.
÷ 
A. 
B. 
C. 
D. 
Mathematics