A recursion formula and the initial term(s) of a sequence are given. Write out the first five terms of the sequence.a1 = 1, a2 = 5, an+2 = an+1 - an
A. 1, -5, 6, -7, 8
B. 1, 5, 4, -1, -5
C. 1, -1, 2, -3, 5
D. 1, 5, 4, 3, 2
Answer: B
Mathematics
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Answer the question with an algebraic expression.The first side of a triangle is y feet long. The second side is 4 feet longer than the first side. The third side is twice as long as the second side. What is the perimeter of the triangle in inches?
A. 4y + 4 in B. 4y + 12 in C. 48y + 144 in D. 48y + 48 in E. none of these
Mathematics
Decide whether the statement is true or false.If a spherical tank 3 m in diameter can be filled with a liquid for $200, the cost to fill a tank of diameter 6m would be $800.
A. True B. False
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Find the derivative.y = 15 - 14x2
A. 15 - 28x B. -28 C. -28x D. 15 - 14x
Mathematics
Graph the polar equation.r = ?, ? ? 0 
A. 
B. 
C. 
D. 
Mathematics