Find the first 4 terms of the recursively defined sequence.a1 = -3, an + 1 = 2 ? an
A. -3, -6, -12, -24
B. 0, 5, -15, -10
C. -6, -12, -24, -48
D. -3, -15, -10, -5
Answer: A
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Provide an appropriate response.If 
= 1, find 
f(x).
A. 2 B. 1 C. 0 D. Does not exist
Solve the system by elimination. x + 9y = -36 7x + 10y = -40
A. {(1, -5)} B. ? C. {(0, -4)} D. {(4, 0)}
An aircraft manufacturer wants to determine the best selling price for a new airplane. The company estimates that the initial cost of designing the airplane and setting up the factories in which to build it will be 700 million dollars. The additional cost of manufacturing each plane can be modeled by the function 
where x is the number of aircraft produced and m is the manufacturing cost, in millions of dollars. The company estimates that if it charges a price p (in millions of dollars) for each plane, it will be able to sell x(p) = 390 ? 5.8p.
Find the cost function.
Find the domain of the composite function f?g. Write the domain in interval notation.f(x) = 2x + 4; g(x) = 
A. [-2, ?) B. [0, ?) C. (-?, ?) D. (-?, -2] ? [0, ?)