Answer:B
Step-by-step explanation:
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 ≤).
Answer: #3 is B. give me a second and i'll try to do #4
Step-by-step explanation:
1.
Checking the numbers that are greater than 10 in this set, we have:
11.2 and 12
2.
The numbers in this set that are lesser than or equal 9 are:
0, 4.5, 5 and 9
3.
Solving the inequality, we have:

Three values greater than 7 are:
8, 9, 10
4.
Solving the inequality, we have:

Three values smaller than 5 are:
4, 3, 2
5.
Solving the inequality, we have:

Three values greater than or equal 10 are:
10, 11, 12
The answer is 16 hope this helps