Write the interval notation of the compound inequality

6b - 1 ≤ 41 or 2b + 1 ≥ 11

Question

Mathematics

Maia Moss

29 December, 08:32

Write the interval notation of the compound inequality

6b - 1 ≤ 41 or 2b + 1 ≥ 11

+1

Answers (1)

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Lyric Dyer · Answer 1

6b - 1 ≤ 41 2b + 1 ≥ 11

6b ≤ 41 + 1 2b ≥ 11 - 1

6b ≤ 42 2b ≥ 10

b ≤ 42/6 b ≥ 10/2

b ≤ 7 b ≥ 5

Therefore b ≤ 7 or b ≥ 5.

We can join the two together to form the interval. 5 ≤ b ≤ 7

Write the interval notation of the compound inequality6b - 1 ≤ 41 or 2b + 1 ≥ 11

Write the interval notation of the compound inequality

6b - 1 ≤ 41 or 2b + 1 ≥ 11