Find the domain of the function.Suppose the cost of producing x objects was defined by the function 
. What is the domain of the function defined by this equation?
A. 
B. 
C. 
D. 
Answer: C
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Solve the problem. Round your answer, if appropriate.Water is being drained from a container which has the shape of an inverted right circular cone. The container has a radius of 6.00 inches at the top and a height of 10.0 inches. At the instant when the water in the container is 7.00 inches deep, the surface level is falling at a rate of 1.2 in./sec. Find the rate at which water is being drained from the container.
A. 66.5 in.3/s B. 96.1 in.3/s C. 63.5 in.3/s D. 79.2 in.3s
Solve the problem. A reasonable quadratic model for the population of a certain city is found to be 
where B(t) is the population (in thousands) of the city in the year that is t years since 2002. A reasonable quadratic model for the number of residents of that city who were born outside the United States is 
where F(t) is the number (in thousands) of foreign-born residents of the city in the year that is t years since 2002. Let P(t) be percentage of residents of the city who were born outside the United States in the year that is t years since 2002. By
finding an equation for P, determine the percentage of residents of the city who were born outside the United States in the year 2017. A. 0.152% B. 13.8% C. 0.138% D. 15.2%
Provide an appropriate response.Fill in the blanks to complete the statement. For a system of 6 equations and 6 unknowns, the corresponding augmented matrix will have ? rows and ? columns.
A. 7; 6 B. 6; 7 C. 7; 7 D. 6; 6
Write an equation for a function whose graph fits the given description.The graph of f(x) = x2 is vertically stretched by a factor of 3, and the resulting graph is reflected across the x-axis.
A. f(x) = 3x2 B. f(x) = 3(x - 3)x2 C. f(x) = -3x2 D. f(x) = (x - 3)2