Mathematics
The solution set of 4x - 9 ≥ 7, where x ∈ {1, 2, 3, 4, 5, 6, 7, 8}, is :
{1, 2, 3, 4}
{4, 5, 6, 7, 8}
{1, 2, 3}
{5, 6, 7, 8}
Linear Inequations
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Answer
⇒ 4x - 9 ≥ 7
⇒ 4x ≥ 7 + 9
⇒ 4x ≥ 16
⇒ x ≥
⇒ x ≥ 4
Since, x ∈ {1, 2, 3, 4, 5, 6, 7, 8}
Solution set = {4, 5, 6, 7, 8}.
Hence, Option 2 is the correct option.
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