Perform the indicated operations and simplify the expression.
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What will be an ideal response?
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Choose the graph that matches the function. f(x) = 3x
A. 
B. 
C. 
D. 
The circulation M, in thousands, of a certain magazine t years after 2010 is given by
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This formula is valid over the period from 2010 to 2015 only.A: Make a graph of M versus t.B: There are two values of t that have a circulation of 9 thousand. Find both of them.C: Explain in practical terms what is happening to magazine sales over the period from 2010 to 2015.
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Round your answer to two decimal places if necessary.
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What will be an ideal response?
Use the present value formula to solve the problem.Find the present value of $30,000 if interest is paid at a rate of 8.5% compounded quarterly for 17 years. Round to the nearest cent.
A. $123,511.51 B. $125,343.55 C. $7286.77 D. $7180.27
Sketch a graph of a hyperbola, centered at the origin, with the foci, vertices, and asymptotes shown in the figure. Find an equation of the hyperbola.y = ± 
x; F(0, ±
); V(0, ±7)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1