Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise.A computer can do one calculation in 1.4 × 10-7 seconds. How long would it take the computer to do a trillion (1012) calculations?
A. 1.4 × 106 sec
B. 1.4 × 1012 sec
C. 1.4 × 10-7 sec
D. 1.4 × 105 sec
Answer: D
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Find any values of the variable that make the expression undefined.
A. 0 B. 9 C. -9 D. None
Determine whether the given function is one-to-one. If it is one-to-one, find its inverse.f(x) = 6 - x
A. f-1(x) = x - 6
B. f-1(x) = 
C. f-1(x) = x + 6
D. f-1(x) = 6 - x
The circle in the figure below has a radius of r and center at C. The distance from A to B is x, the distance from A to D is y, and the length of arc BD is s. For the following problem, redraw the figure, label it with the values given, and then solve.
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If 
and 
find y.
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Apply the rules regarding the use of significant digits after all computations are complete.
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__________
Fill in the blank(s) with the appropriate word(s).
Find all values that make the expression undefined.
A. 9, -9 B. 0 C. -6, -9 D. 6, 9