HELP PLSSS A scientist tracks a passing asteroid by
measuring its distance from Earth over time.
She finds that the rate of change of its distance
increases as it approaches Earth. After it reaches
a minimum distance, the rate of change of its
distance decreases as it moves away from Earth.
Which of the following functions would most
closely match these intervals of increase and
decrease, where y is the distance in millions of
miles from Earth at time t?
A. y=3t+ 3
B. y=3' + 3
c. y= 3t2 + 3
D. y=3

4th option is correct xy=-10

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answer: a video game has three difficulty levels: easy, medium, and expert. the game's scoring works in such a way that a player has to score a fixed number of points to advance to the next level, and then the scoring starts over. the total score needed to clear all three difficulty levels is 7,500. two times the number of points needed to clear the easy level is 500 more than the number of points needed to clear the medium level. twice the number of points needed to clear the medium difficulty level is 1,500 more than the number of points needed to clear the expert level. if x, y, and z represent the easy, medium, and expert levels, respectively, and a is the coefficient matrix of the system of equations modeling this situation, identify the inverse matrix, a-1, and the solution matrix, x, of the system of equations.

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rauschg

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5 quiero

6 vamos

7 puedan

8 quiero

9pedemos

10 dorme

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a

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