Question No. 1 to 5 are …

Question No. 1 to 5 are based on the given text. Read the text carefully and answer the questions: A real estate company is going to build a new residential complex. The land they have purchased can hold at most 4500 apartments. Also, if they make x apartments, then the monthly maintenance cost for the whole complex would be as follows: Fixed cost $50,00,000. Variable cost (160x-0.042) 1. The maintenance cost as a function of x will be a. 5000000 b. 5000000+ 160x-0.042 c. 160x-0,04%2 d. None of these 2. If C(x) denote the cost function, then the maximum value of C(x) occur at x= a. 2000 b. 4500 c. 5000 d.0 3. The maximum value of C(x) would be a. 4000000 b. 5160000 c. 5000000 d. To practice more questions & prepare well for exams, download myCBSEguide App. It provides complete study material for CBSE, NCERT, JEE (main), NEET-UG and NDA exams. Teachers can use Examin8 App to create similar papers with their own name and logo. 4. The number of apartments, that the complex should have in order to minimize the maintenance cost, is a. 5000 b. 4500 c. 1750 d. 3500 5. If the minimum maintenance cost is attained, then the maintenance cost for each apartment would be a. 1000 b. 2000 6. Let f(x)=()x-3x + sin 3x, then the true set of values of a which f(x) is strictly decreasing on R, is c. 1091.11 d. 1200 a. [2,00) b. (5,00) c. (-00,-2)

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