The National Science Organization is monitoring the continuous exponential to decline of an insect species due to deforestation. They do not know exactly how many there are remaining, but the model they are using represents the minimum number remaining in the world. They are putting
measures into place in order to avoid extinction which will take effect when the minimum number reaches a certain point.
According to the model, the minimum number of the species remaining, in millions, is constantly decreasing at a rate of 7.9% each year. There
are at least 26 million of the species in the world right now. Once the minimum population reaches 2 million, the measures will be instated which
should stop the decrease and keep the minimum population at 2 million.
If Prepresents the actual population of the insects in the world, in millions, and trepresents the time in years, then which of the following
systems of inequalities can be used to determine the possible number of insects in the world over time?
OA.
≥ 26e0.079t
P 2 2
O R

13.33%

say 50 oranges, then 100 apples

80 are red, 20 are yellow

total fruit = 150

20chances out of 150 for yellow

20/150 = 13.33%

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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