The graph of a function f is given. Use the graph to find the indicated value.f-1(2)
A. 6
B. 
C. 2
D. 
Answer: B
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Decide whether the relation defines a function.
A. Function B. Not a function
Simplify the algebraic expression.7x + 2x
A. 5x B. 14x C. 9x D. 9 + x
Solve the linear inequality. Graph the solution set on a number line, and express the solution using interval notation.11 - 3(3 - x) ? 14
A. [4, ?)
B. (-?, 4)
C. (-?, 4]
D. (-?, 5]
Eleni, who is now 55 years old, is employed by a firm that guarantees her a pension of $90,000/year at age 70. What is the present value of her first year's pension if inflation over the next 15 year(s) is at the given rate. Assume that inflation is continuously compounded. Round your answer to the nearest cent. ? 6% _________ ? 9% _________ ? 18% _________ ?
A. $64,219.68, $71,866.46, $6,048.50 B. $36,591.27, $23,331.62, $6,048.50 C. $57,386.53, $64,219.68, $6,048.50 D. $57,386.53, $64,219.68, $71,866.46