anonymous
  • anonymous
find the domain and sketch the graph of the function.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
|dw:1378163903326:dw|
anonymous
  • anonymous
how do I approach this problem?
cwrw238
  • cwrw238
the domain is all possible values of x so what do you think it is?

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More answers

anonymous
  • anonymous
-infinity to +infinity
anonymous
  • anonymous
I'm not sure how to graph it, how do I go about finding points to graph?
cwrw238
  • cwrw238
right the domain is as you say or all real numbers first plot a few points for x = -1 , -2 and -3 this will give a straight line
anonymous
  • anonymous
where did the numbers come from?
cwrw238
  • cwrw238
just out of my head lol they are all -1 and < -1
cwrw238
  • cwrw238
|dw:1378165888371:dw|
cwrw238
  • cwrw238
now plots points for f(x) = x^2 x = 0 , f(x) = 0 x = 1 y = 1
cwrw238
  • cwrw238
|dw:1378166217795:dw|
cwrw238
  • cwrw238
the point (-1,1) is on the graph of f(x) = x + 2 but not on f(x) = x^2 there should be no gap as I've drawn above - (bad drawing)
cwrw238
  • cwrw238
ok?
cwrw238
  • cwrw238
gotta go - hope this has helped
anonymous
  • anonymous
ok, can you recommend me any websites that will help me attain better practice in this subject area?
cwrw238
  • cwrw238
cant think of one offhand - maybe purple math or khan academy

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