A company will sell N units of a product after spending $x thousand in advertising, as given by N = 50x - x, 5sxs 25. Approximately what increase in sales will result by increasing the advertising budget from $15,000 to $16,000? From $20,000 to $21,000? Find the differential dN. dN = (D dx

Q: QUESTION 2 Use differentials to estimate v8.99 + (8.99)² correct to two decimal places.

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A: To show:     ∫-22x1+x22dx = 0 (without integrating)

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A: let ,

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A: dSdt = 180s +40 S = salt concentration = 20kg s = 1% of original amount = 1% of 20 = 0.02kg

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A: Giveny=4x-53   ...(1)

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A: "Since you have asked multiple question, we will solve the first question for you. If you want any…

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A: Differential equation of all straight lines

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A: Chain rule of differentiation: [f(g(x))]'=f'(g(x))g'(x) Formulae used: ddxcos x=-sin xddxsin x=cos…

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Q: 1. 5у" — (v') 2. ху" + 2х - 3 a2r 3.

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Q: 24. What does it mean to say that dV is an exact differential?

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A: Please refer the attached image for complete solution.

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Q: Part 2. Use the integration techniques to solve for the anti-derivative of each fur I. S3p? tan p dp…

A: According to the company rule we can answer only the first question and rest can be reposted.