Given revenue and cost functions R(q)=90q−0.3q2 and C(q)=14q+550​, find the marginal profit at a quantity of 15 items.   The marginal profit is ​$67

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A: we have to find the value of A. 

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A: This is the question of indefinite integration.

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A: Refer Attachment.

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A: Please refer to the image below

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Q: Find the area of the region bounded by the curve y2=4x and the lines x = 1 and x = 4. O 21/2 square ...

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A:

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A: Solved below

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Q: dx Evaluate Зх — 12 1 O + 00 O - 00

A: The given question has been solved in detail and option D is the correct answer  

Q: Which of the following is an improper integral? S'in(x*+1) dv A dx (B 2x + 8 x²-x-2 In3e COSX xe dr

A: definite integral that has either both limits infinite or an integrand that approaches infinity or d...

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A: On solving this we will get

Q: Question 17 10 dx may be written as Aln secB"+ tanB* + C. where A, B, and C are constants not equal ...

A: Let's find. 

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Q: Question / Find the area of the region bounded by the curve y2=4x and the lines x = 1 and x 4. A 63/...

A: We will find the area of region bounded by the curves. 

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A:

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Q: (2- sec?r) elm sec(3A – x) e In (x le ) sec³x -dx to be integrable using the What should be the valu...

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Q: ex What is the integrable form of dr? e* – e° A 2 du B (u²– 1) ² du (u²– 1) ² du D (1-u²) ² du

A: In this question we have to find the Integrable form of the Integral.

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A: Integration

Q: QUESTION 6 cos2x – sin2x cos2x For -dr= -F(x)+C What is F(x)? cosx – sinx 3 cscx – secx) 3 1 (sinx –...

A:

Q: cos2r- sin2x cos21 =-F(x)+C What is Fx)? =xp For COSX – sinư A 2. --cos 'x- cosT+-sin't 3 cos'x sinx...

A: I am going to solve the given problem by using some simple calculus to get the required result of th...