Simplify the radical.
A. -|x|
B. |x|
C. x
D. -x
Answer: B
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The value V, in dollars, of a certain investment after t years is given in the table below. Use exponential regression to model the value as a function of time. Round your answer to two decimal places. t 2 4 6 8 10 V 2,837.81 3,026.40 3,280.19 3,550.18 3,831.51?
A. ?
B. ?
C. 
D. ?
Divide and express the result in standard form.
A. 1 + 10i B. -1 + 3i C. 1 - 3i D. 1 + 3i
Solve the problem.Suppose the number of Quickie hamburgers (in millions) served yearly from 1987 to 2000 can be modeled by 
In this formula 
corresponds to 1987 and 
corresponds to 2000. Approximate how many million (rounded to the nearest million) Quickie hamburgers will be sold in 1996.
A. 1540 million B. 56.259 million C. 4667 million D. 182 million
Determine the order of the matrix.
A. 3 × 2 B. 3 C. 2 × 3 D. 6