anonymous
  • anonymous
HELP MEDAL AND FAN LELELELEL
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
\[2x ^{3}\le98x\]
anonymous
  • anonymous
Ayye lmao its u again :P
anonymous
  • anonymous
Aight so. Here is what I did

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anonymous
  • anonymous
\[2x^3 \le 98x \rightarrow 2x^2 \le 98 \rightarrow x^2 \le 49 \rightarrow x \le \pm 7\]
JackofallTradez
  • JackofallTradez
You would be absolutely correct Great job! ^_^
anonymous
  • anonymous
so wouldnt that simplify out to \[x \le 7 / x \ge -7\]
anonymous
  • anonymous
thats the thing, Idk what im doing wrong but the answer key says this:
Vickyisthesmartone123
  • Vickyisthesmartone123
Is there a problem here?
anonymous
  • anonymous
\[\left\{ x |x \le-7 \cup 0 \le x \le 7 \right\}\]
Vickyisthesmartone123
  • Vickyisthesmartone123
Please use appropriate language please. @omgmrduck Or else i'm going to have to report you. Do you understand?
JackofallTradez
  • JackofallTradez
Is it x is greater than or equal to 7 OR x is greater than or equal to -7?
JackofallTradez
  • JackofallTradez
To be honest, I'm not certain on how they got their solution What's your thoughts, @Vickyisthesmartone123

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