anonymous
  • anonymous
To solve |3x+2|<4, split the equation into 3x + 2 < 4 and 3x + 2 < -4 3x + 2 < 4 and 3x + 2 > - 4 3x - 2 < 4 and 3x - 2 > - 4 3x + 2 < - 4 and 3x + 2 > 4
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
Is it 3x + 2 < 4 and 3x + 2 < -4 ? (The first choice)
anonymous
  • anonymous
need help
anonymous
  • anonymous
Yes

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anonymous
  • anonymous
have answer choices
anonymous
  • anonymous
There up there with the question
anonymous
  • anonymous
They're
anonymous
  • anonymous
it's not the first choice. see how the inequality signs point the same way? the inequality signs should point in opposite directions.
anonymous
  • anonymous
do you see why?
anonymous
  • anonymous
Yes, I do
anonymous
  • anonymous
So then it'd be the second choice?
anonymous
  • anonymous
yes
anonymous
  • anonymous
an easy way to do this problem if you have a graphing calculator is to graph y=abs(3x-2)-4 (solve your equation for zero, then put y in instead of the zero)
anonymous
  • anonymous
Ok, I'll try that!
anonymous
  • anonymous
Could you help me with one more question?
anonymous
  • anonymous
sure
anonymous
  • anonymous
but I have a question for you afterward
anonymous
  • anonymous
Ok!
anonymous
  • anonymous
Which domain number causes this relation not to be a function? R = { (-1, -1), (2, 0), (2, 1), (3, 1), (4, 4) } -1 zero 1 2
anonymous
  • anonymous
how much do you already know about what is and is not a function?
anonymous
  • anonymous
a relation is not a function if it has two y-values for one x-value.
anonymous
  • anonymous
I thought it was 1?
anonymous
  • anonymous
domain is x-values which x-value appears twice and has two different y-values?
anonymous
  • anonymous
2
anonymous
  • anonymous
yes
anonymous
  • anonymous
Ok, your question?
anonymous
  • anonymous
I pm'd it to you

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