Express the set of real numbers graphed on the number line using an inequality.
A. x > -4
B. x ? -4
C. x ? -4
D. x < -4
Answer: A
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Find the product of the given complex number and its conjugate. Write the answer in the form a + bi.
+ 
i
A. 
- 
i
B. 
C. 
+ 
i
D. 1
Graph the quadratic equation on [-10, 10] by [-10, 10]. Does this window give a complete graph?f(x) = x2 - 2x - 6
A. 
No
B. 
No
C. 
Yes
D. 
Yes
Solve the problem.A plane suddenly experiences turbulence while in flight. At this point the change in its altitude, in feet, is represented by the following function of time: F(x) = 
. Assuming that the turbulence first hits at time x = 0, what is the maximum relative drop the plane will experience due to turbulence? (Round the result to the nearest hundredth.)
A. 0.53 ft B. 16.83 ft C. 8.17 ft D. 0.26 ft
Classify the statement as an example of theoretical or experimental probability.The probability that it will rain on Christmas Day in Steve's home town is 0.21.
A. experimental B. theoretical