Determine whether the relation is a function. Give the domain and range.{(4, 1), (-3, -3), (-6, 9), (4, -3)}
A. not a function; domain: {-6, -3, 4}; range: {-3, 1, 9}
B. function; domain: {-3, 1, 9}; range: {-6, -3, 4}
Answer: A
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Write the complex number in trigonometric form, using degree measure for the argument.-2
+ 2i
A. 4(cos(-45°) + i sin(-45°)) B. 4(cos 135° + i sin 135°) C. 4(cos(-135°) + i sin(-135°)) D. 4(cos 45° + i sin 45°)
A satellite in a 100-mile-high circular orbit around Earth has a velocity of approximately 17,500 miles per hour. If this velocity is multiplied by , the satellite will have the minimum velocity necessary to escape Earth’s gravity and will follow a parabolic path with the center of Earth as the focus. (Hints: The radius of Earth is 4,000 miles.)
What will be an ideal response?
Graph the equation by plotting points.y = 
A. 
B. 
C. 
D. 
Solve the problem.If two cards are drawn without replacement from an ordinary deck, find the probability that the second card is a spade, given that the first card was a spade.
A. 
B. 
C. 
D. 