3 years ago

What is the solution of |3x+9|≤15 answer choices v

2 answers:

6 0

$|3x+9|\leq 15\\3x+9\leq 15 \,\,\mbox{for}\,\,x\geq -3\\\rightarrow x\leq2\\-(3x+9) \leq 15 \,\,\mbox{for}\,\,x< -3\\\rightarrow x \geq -8\\\mbox{combined:}\\-8\leq x \leq 2$

correct answer is choice #3: -8<=x<=2

e-lub [12.9K]3 years ago

5 0

Answer:

-8<x<2

Step-by-step explanation:

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