In Europe, there are a total of 288 spoken languages. Of those, 121 are endangered. What percent of Europe’s languages is that?
2 answers:
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Answer:
y≤x²+4x-1.
Step-by-step explanation:
1) to define the equation of the given graph; it is y=x²+4x-1 (its vertex is (-2;-5));
2) to define inequation accorging to the given graph (the area outside of the parabola means ≤).
