Select the function that matches the given graph.
A. y = (x - 2)2
B. y = -x2 + 2
C. y = -(x + 2)2
D. y = x2 + 2
Answer: B
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Evaluate.
÷ 
A. 
B. 
C. 
D. 
Find all complex roots. Write the answer in polar form, with 0 ? ? ? 360°.Cube roots of 
- i
A. 2(cos 100° + i sin 100°), 2(cos 220° + i sin 220°), 2(cos 340° + i sin 340°)
B. 2(cos 110° + i sin 110°), 2(cos 230° + i sin 230°), 2(cos 350° + i sin 350°)
C. 
(cos 100° + i sin 100°), 
(cos 220° + i sin 220°), 
(cos 340° + i sin 340°)
D. 
(cos 110° + i sin 110°), 
(cos 230° + i sin 230°), 
(cos 350° + i sin 350°)
Compute the average rate of change of f from x1 to x2. Round your answer to two decimal places whenappropriate. Interpret your result graphically.f(x) = x3 - 5x, x1= 2 and x2= 4
A. -23; the slope of the line passing through (2, f(2)) and (4, f(4)) is -23. B. 7; the slope of the line passing through (2, f(2)) and (4, f(4)) is 7. C. -7; the slope of the line passing through (2, f(2)) and (4, f(4)) is -7. D. 23; the slope of the line passing through (2, f(2)) and (4, f(4)) is 23.
Find the quotient of the following real numbers.
A. -8 B. undefined C. 8 D. 0