Simplify the expression.
A. -5
B. 
C. x - 5
D. x2 - 10x + 25
Answer: B
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Solve the problem.By switching service providers, a family's telephone bill decreased from about 
a month to about 
What was the percent of decrease?
A. 15% B. 7% C. 16.3% D. 14%
Answer the question about the given function.Given the function f(x) = -5x2 + 10x + 6, what is the domain of f?
A. (-?, ?) B. (-?, 1] C. [-1, ?) D. [1, ?)
Provide an appropriate response.An investment is compounded daily (use 365 times per year). Use a graphing calculator to graph the effective rate, re , as a function of the nominal rate r. Then use the graph to find the nominal rate that is equivalent to an effective rate of 5.4%.
Fill in the blank(s) with the appropriate word(s).
Suppose that a game has payoff matrix 
. Determine the optimal pure strategies for R and C.
A. R - row 1, C - column 1 B. R - row 2, C - column 1 C. R - row 2, C - column 2 D. R - row 1, C - column 2 E. none of these