QUESTION 2
20 y
15
10
5
x
0
-8
-6
-4
-2
2 4 6
8
1
-5
-10
-15
-20
A) What is the solution to the inequality $f(x) < 0$? (write your answer as a union of intervals)
B) What is one $x$ value for which $f(x) = 0$?
(Enter only one number)
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C) What is the solution to the inequality $f(x) \le 0$? (Write your answer as a union of intervals. Whenever it includes an isolated number, say
a, writing that part as $[a, a]$ is the required way.)
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D) What is the solution to the inequality $f(x) \ge 0$? (Write your answer as a union of intervals. Whenever it includes an isolated number, say
a, writing that part as $[a, a]$ is the required way.)
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