An aircraft factory manufactures airplane engines. The unit cost C (the cost in dollars to make each airplane engine) depends on the number of engines made. If x engines are made, then the unit cost is given by the function C(x)-0.8x²-256x+36,963. What is the minimum unit cost? Do not round your answer.

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A: Let's fill the table.

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A: Given :Ralph spent $132 to buy movie tickets for 20 students and 4 adult chaperones.Adult tickets…

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A: A detailed solution is given below.

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A: Given.

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A: To find f+gx, if fx=-5x2+6 and gx=x2-6.

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A: Substitute the vectors and then go ahead

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A: Disclaimer: according to you we will solve marked purple part for you.

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A: As the first two questions are answered correctly we can answer the last question as below.

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A: Factor : 3x2-11x-20=0

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A: Topic = Function

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Q: 318,203 31

A: Given, 8203÷31

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A: Note : As per our guidelines we are supposed to answer only one question if there are multiple…

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A: Let's find power series.

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A: Given :Vertices : 0, 21 and 0, -21y=74x

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A: Solution : Given that

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A: As per guideline i can only answer three subparts. answer is in next step.

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A: Given  S = x∈ℝ2 : x=5k, 10k, k∈ℝ. We have to show that S is a subspace of ℝ2.

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A: This question can be solved using the concept of exponential growth model.

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