The graph of a function f is given. Use the graph to answer the question.What is the domain of f?
A. {x|-25 ? x ? 25}
B. {x|x ? 0}
C. all real numbers
D. {x|-20 ? x ? 27.5}
Answer: A
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Three heirs (A, B, and C) must fairly divide an estate consisting of two items - a house and a boat - using the method of sealed bids. The players' bids (in dollars) are:
After the initial allocations to each player are made, there is a surplus of
A. $23,000. B. $10,333.33. C. $49,000. D. $19,000. E. none of these
Analyze the graph of the given function f as follows:(a) Determine the end behavior: find the power function that the graph of f resembles for large values of |x|.(b) Find the x- and y-intercepts of the graph.(c) Determine whether the graph crosses or touches the x-axis at each x-intercept.(d) Graph f using a graphing utility.(e) Use the graph to determine the local maxima and local minima, if any exist. Round turning points to two decimal places.(f) Use the information obtained in (a) - (e) to draw a complete graph of f by hand. Label all intercepts and turning points.(g) Find the domain of f. Use the graph to find the range of f.(h) Use the graph to determine where f is increasing and where f is decreasing.f(x) = (x + 1)(x - 3)2
What will be an ideal response?
Solve the problem.The table below shows the results of a consumer survey of annual incomes in 100 households. 
What is the probability that a household has an annual income of $25,000 or more?
A. 0.71 B. 0.43 C. 0.57 D. 0.28
Simplify the expression using the properties of exponents.(-2x2)7
A. -128x14 B. 128x14 C. 256x9 D. -128x9