Write the first four terms of the sequence.an = (-4)n
A. -1, -4, -16, -64
B. -4, -16, -64, -256
C. -1, 16, -81, 256
D. -4, 16, -64, 256
Answer: D
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Solve.One conveyor belt can move 1000 boxes in 10 minutes. Another can move 1000 boxes in 6 minutes. If another conveyor belt is added and all three are used, the boxes are moved in 3 minutes. How long would it take the third conveyor belt alone to do the same job?
A. 15 minutes
B. 
minute
C. 
minute
D. 1
minutes
Solve the problem.Your computer supply store sells two types of laser printers. The first type, A, has a cost of $86 and you make a $45 profit on each one. The second type, B, has a cost of $130 and you make a $35 profit on each one. You expect to sell at least 100 laser printers this month and you need to make at least $3850 profit on them. How many of what type of printer should you order if you want to minimize your cost?
What will be an ideal response?
Use a graphing calculator to graph the piecewise-defined function, using the window indicated.f(x) = 
; window [-2, 5] by [-1, 6]
A. 
B. 
C. 
D. 
Use the properties of the trigonometric functions to find the exact value of the expression. Do not use a calculator.sin2 50° + cos2 50°
A. 0 B. -1 C. 1 D. 2