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- a(4) is incorrect. It is not <5/864, 5/864>|(7/2)= (5/2)(3/2)(1/2)/T صواب خطأSuppose P(x) represents profit on the sales of x computers. Suppose P(25,000) = 12,000; P'(25,000)=2; and P" (25,000) = -3. a) Is the company making money or losing it? How much • b) If sales are increased will the profits rise or fall? By how much? . c) What is the meaning of P" (25,000) = -3?
- A bouncy ball is dropped from a height of 2 metres onto a concrete floor. After hitting the floor, the ball rebounds back up to 80% of it's previous height, and this pattern continues on repeatedly, until coming to rest. (a) Show that the total distance travelled by the ball until coming to rest can be expressed by 2+4(0.8) + 4(0.8)² + 4(0.8)* + -- (b) Find an expression for the total distance travelled by the ball, in terms of the number of bounces, n. (c) Find the total distance travelled by the ballThe number of computers N (t) (in millions) infected by a computer virus can be approximated by 2.7 N (t) = where t is the time in months after the virus was first detected. -0.76t' 1+ 14e Part 1 of 4 (a) Determine the number of computers initially infected when the virus was first detected. Round to the nearest ten thousand. Approximately | 180,000 | computers were infected when the virus was first detected. Part 2 of 4 (b) How many computers were infected after 4 months? Round to the nearest ten thousand. Approximately 1,620,000| computers were infected after 4 months. Part 3 of 4 (c) Determine the amount of time required after initial detection for the virus to affect 1 million computers. Round to the nearest tenth of a month. It took approximately 2.8 months after initial detection for the virus to affect 1 million computers. Part: 3 / 4 Part 4 of 4 (d) What is the limiting value of the number of computers infected according to this model? Under this model, the limiting value of…Tnd the salu tion of the grven înitial Value Pooblem. y' lny + yestx- xye"=0 8(주)- 1 Could solue it by explaining pleose you
- Suppose X=N(10, 1.924)Pr(X=10)The number N of employees at a company can be approximated by the equation N(x) 22,972(1.404)*, where x is the number of years since 1990. a) Approximately how many employees were there in 2001? b) Find N'(11) a) There are approximately employees. (Round to the nearest thousand.) ". (4) More Enter your answer in the answer box and then click Check Answer. 1 part remaining Clear All Start p Type here to search DELL F9 F10 Esc F2 F4 F5 F68/k=12/30
- Calculate ((7)/(2))p^(k)q^(n-k) for the given values of n,k, and p. n=7,k=2,p=(1)/(2). Please type answer not write by hendSuppose the value V of a particular car model that is t years old can be modeled by V(t) = 12,820(0.77)¹. (a) According to the model, what is the value of a brand-new car of this type? (b) According to the model, what is the value of a 3-year-old car of this type? (c) According to the model, what is the value of an 11-year-old car of this type? (a) The value of a brand-new car of this type is $ (Round to the nearest dollar as needed.) (b) The value of a 3-year-old car of this type is $ (Do not round until the final answer. Then round to the nearest dollar as needed.) (c) The value of an 11-year-old car of this type is $ (Do not round until the final answer. Then round to the nearest dollar as needed.) Submit quiSuppose the value V of a particular car model that is t years old can be modeled by V(t) = 14,592(0.88) (a) According to the model, what is the value of a brand-new car of this type? (b) According to the model, what is the value of an 11-year-old car of this type? (c) According to the model, what is the value of a 15-year-old car of this type? (a) The value of a brand-new car of this type is $ (Round to the nearest dollar as needed.) (b) The value of an 11-year-old car of this type is $ (Do not round until the final answer. Then round to the nearest dollar as needed.) (c) The value of a 15-year-old car of this type is $ (Do not round until the final answer. Then round to the nearest dollar as needed.) 0 of 19 questions Next