anonymous
  • anonymous
how to find the domain
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
\[y=\sqrt{3x+4}\]
anonymous
  • anonymous
you can't have a square of a negative number so 3x + 4 must be greater than or equal to zero so your domain is \[3x + 4 \ge 0\] \[x \ge -\frac{4}{3}\]
anonymous
  • anonymous
thanks! I got the answer

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anonymous
  • anonymous
awesome ^_^
anonymous
  • anonymous
Factor 5z(2z+1)-2(2z+1)
anonymous
  • anonymous
OH I SEE IT NOW ignore my other anwer it's (2z + 1)(5z -2)
anonymous
  • anonymous
can you help me with my other problems ,
anonymous
  • anonymous
won't know till you tell me the questions
anonymous
  • anonymous
Factor x2 + 9x + 20
anonymous
  • anonymous
can yu help with the steps
anonymous
  • anonymous
okay so you need two numbers that multiply to 20 and add up to 9 the numbers at multiply to 20 are 2,10 1,20 and 4,5 only 4 and 5 add up to 9 so it's 4 and 5 so (x + 4)(x + 5)
anonymous
  • anonymous
4a2+a-3 so we need two numbers that can muliply by a-3 right ?
anonymous
  • anonymous
no, this one is different, because there's a 4 in front of the a squared.
anonymous
  • anonymous
I'm going to try to explain this...so bear with me.... :x so your answer is going to be something like this with numbers in place of the _ (_a + _)(_a + -)
anonymous
  • anonymous
Correction : (_a + _)(_a + _)
anonymous
  • anonymous
sigh..this is hard over the internet...
anonymous
  • anonymous
i know
anonymous
  • anonymous
go to this site http://tutorial.math.lamar.edu/Classes/Alg/Factoring.aspx it's really helpful i'm sorry that i can't explain this. but read over the site. it explains it quite well. tell me how it goes go to example 3 part e
anonymous
  • anonymous
thanks : )

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