Solve the problem.The formula A = 291e0.024t models the population of a particular city, in thousands, t years after 1998. When will the population of the city reach 353 thousand?
A. 2006
B. 2008
C. 2009
D. 2007
Answer: A
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Solve. Round your results to four decimal places.Use the Euler method with dx = 0.5 to estimate y(3) if y' = y2/ and y(2) = -1. What is the exact value of y(3)?
A. y ? -0.8013, exact value is -0.2217 B. y ? -0.8899, exact value is -0.2025 C. y ? -0.6685, exact value is -0.2362 D. y ? -0.6242, exact value is -0.2265
Express the English phrase using an algebraic expression.Three times a number x, increased by twelve
A. 3 + 12x B. 3x + 36 C. 3x - 12 D. 3x + 12
Solve the problem.The distance it takes to stop a car varies directly as the square of the speed of the car. If it takes 112 feet for a car traveling at 40 miles per hour to stop, what distance is required for a speed of per hour?
A. 230.64 ft B. 281.38 ft C. 269.08 ft D. 269.42 ft
Solve the problem.The cost of manufacturing clocks is given by c = 4(n + 121)1/2, where c is the cost in dollars and n is the number produced. What is the cost when no clocks are produced?
A. $22 B. $484 C. $4 D. $44