Translate the graph to an inequality using the variable x.
A. x > 1
B. x ? 1
C. x < 1
D. x ? 1
Answer: A
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Write the sum in summation notation.
+ 
+ 
+ 
+ . . .
A. 
B. 
C. 
D. 
Find 
. Write the answer in polar form with the argument between 0° and 360°z1 = 1 + i, z2 = 1 - 
i
A. 
(cos 105° + i sin 105°)
B. 
(cos 15° + i sin 15°)
C. 
(cos 105° + i sin 105°)
D. 
(cos 15° + i sin 15°)
Solve the problem.The value, in dollars, of a copy machine is given by the function 
where x is the number of years that have passed since the machine was purchased. Interpret the slope of the graph of f as a rate of change.
A. The copy machine decreases in value by $185 each year. B. The copy machine decreases in value by $370 each year. C. The copy machine increases in value by $185 each year. D. The copy machine increases in value by $370 each year.
Convert the radian measure to degrees. Round to the nearest hundredth if necessary.
A. 20° B. 30° C. 25° D. 28°