Try to solve this type of questions using the options.
Subsitute 0 first => We ger -2 <=0, which is correct. Hence, 0 must be in the solution set.
Substitute 8 => 4 + 2 - 2 <=0 => 6 <= 0, which is false. Hence, 8 must not be in the solution set.
=> Option 1 is the answer.
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