Add or subtract the complex numbers(10 + 8i) - (3 + 2i) - (10 - 5i)
A. 23 + 11i
B. 23 + 5i
C. -3 + 11i
D. -3 + 5i
Answer: C
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Solve the problem.Suppose that the speed of a car, measured in miles per hour (mph), is monitored for some short period of time after the driver applies the brakes. The following table and graph relate the speed of the car to the amount of time, measured in seconds (sec), elapsed from the moment that the brakes are applied.
What general trend do the data reflect? In which of the time intervals does the speed change the most?
A. With increasing elapsed time, the speed decreases. The speed changes most during the time interval from 8 seconds to 10 seconds. B. With increasing elapsed time, the speed increases. The speed changes most during the time interval from 8 seconds to 10 seconds. C. With increasing elapsed time, the speed increases. The speed changes most during the time interval from 2 seconds to 4 seconds. D. With increasing elapsed time, the speed decreases. The speed changes most during the time interval from 2 seconds to 4 seconds.
Provide an appropriate response.If you graphed x < -8, would you use a parenthesis or a square bracket? Explain why.
What will be an ideal response?
Solve.A company has just purchased a new computer for $7280. The company chooses to depreciate the computer using the straight-line method over 8 years. A linear function that expresses the book value V of the computer as a function of its age x is 
Graph the linear function V.
A. 
B. 
C. 
D. 
Write the slope-intercept form of the equation for the line passing through the given pair of points.(1, -2) and (4, -2)
A. y = -2 B. 4x + 1y = 0 C. x = 1 D. 1x + 4y = 0