anonymous
  • anonymous
Given,
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
taken
anonymous
  • anonymous
what is given?
anonymous
  • anonymous
A = {\[{x:-2\le x-1\le4,x \in R} \]} and B = {\[x: -5 \le x-1 \le 2, x \in R\]} Represent A-B on a number line.

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anonymous
  • anonymous
Is this right|dw:1331386408686:dw|
anonymous
  • anonymous
?
anonymous
  • anonymous
\[A=\{x:-2\le x-1\le4,x \in R\}\] solve for x get \[A=\{x:-1\le x-1\le5,x \in R\}\]
anonymous
  • anonymous
that was wrong, solve for x get \[A=\{x:-1\le x\le5,x \in R\}\]
anonymous
  • anonymous
you mean -1 less than or equal to x less than or equal to 5. theres no -1/
TuringTest
  • TuringTest
yeah, start with drawing both A and B then remove the B part of the line what is left is A-B
anonymous
  • anonymous
similarly \[B=\{x:-4\le x\le3,x \in R\}\]
anonymous
  • anonymous
and i assume A-B means what is in A that is not in B
anonymous
  • anonymous
which would be (3,5]
TuringTest
  • TuringTest
|dw:1331388526284:dw|
TuringTest
  • TuringTest
|dw:1331388708918:dw|um... what do we do with the part on the left satellite?
TuringTest
  • TuringTest
@satellite73 do we ignore the left-over part from B to the left of -1 ?
anonymous
  • anonymous
so the numbers that come under A-B are.....? (just clarifing)
TuringTest
  • TuringTest
to quote satellite: "and i assume A-B means what is in A that is not in B which would be (3,5]"
anonymous
  • anonymous
shouldnt it be (4,5)? :/
Mani_Jha
  • Mani_Jha
It should be (3,5) because A is (-1,5) and B is (-4,3) |dw:1331393158512:dw| Just cancel out the common part. Did u get it from the figure?

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