anonymous
  • anonymous
f(x)=7/8|X+3|-9 Graph and tell what the following are: Does it open up or down Wider,narroweer,or same vertex?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
Which one are you having trouble with?
anonymous
  • anonymous
the vertex?
anonymous
  • anonymous
Remember when you have f(x)=a|x-h|+k, the vertex is (h,k)

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anonymous
  • anonymous
i know but i am still having trouble
anonymous
  • anonymous
do you know what k is?
anonymous
  • anonymous
no nither H
anonymous
  • anonymous
f(x)=a|x-h|+k f(x)=a|x+3|-9 What if i place them like this? Note that a=7/8 on the second one. Removed so they line up better
anonymous
  • anonymous
okay so H is -9 right?
anonymous
  • anonymous
and k is 7/8
anonymous
  • anonymous
Look again and see which one goes with the h and which one goes with the k. They are lined up on top of each other
anonymous
  • anonymous
oh h is 3 and k is -9
anonymous
  • anonymous
Be careful with the h. Notice the sign change. You can solve it by equating whats inside the abs So, x-h=x+3.
anonymous
  • anonymous
so its -3 and -9 and it's narrower and opens up?
anonymous
  • anonymous
It opens up but its not narrower. See |a|<1 where a=(7/8). So it's wider
anonymous
  • anonymous
oh okay. is my vertex right -3,-9
anonymous
  • anonymous
Yeah
anonymous
  • anonymous
okay thank you.
anonymous
  • anonymous
Np

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