How to graph and solve | 9 - 4 x | ≤ 15 ?

datgeni5quc

datgeni5quc

Answered question

2023-02-25

How to graph and solve | 9 - 4 x | ≤ 15 ?

Answer & Explanation

sara9312bo1t

sara9312bo1t

Beginner2023-02-26Added 4 answers

|9-4x| is either 9-4x 0r 4x-9.
The first instance, 9 - 4 x ≤ 15 . This provides - 4 x ≤ 6 , which means x ≥ - 3 2 .
The second instance 4 x - 9 ≤ 15 . This provides x ≤ 6 .
Hence - 2 3 ≤ x ≤ 6 .

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