anonymous
  • anonymous
What is the domain and range of the quadratic equation y = –3(x – 10)2 + 5? Answers A)Domain: All Real Numbers Range: y 10 B)Domain: All Real Numbers Range: y 10 C)Domain: All Real Numbers Range: y 5 D)Domain: All Real Numbers Range: y 5 which one is the answer A,B,D,C ?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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apoorvk
  • apoorvk
you mean y^2??
Hero
  • Hero
Is anyone helping you with these @lilmagda105 ?
anonymous
  • anonymous
nope

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More answers

Hero
  • Hero
I wish I had the time to help you, but I don't
anonymous
  • anonymous
i can help
anonymous
  • anonymous
do you know why I needed the vertex?
anonymous
  • anonymous
hello?
anonymous
  • anonymous
yes
anonymous
  • anonymous
less then or greater than goes with the answers
across
  • across
I will only do the first one:\[f(x)=-3(x-10)^2+5\]has a domain of \(\mathbb{R}\) and a range of\[f'(x)=-6(x-10)\to-6(x-10)=0\implies x=10\to f(10)=5\]\[\implies(-\infty, 5].\]
anonymous
  • anonymous
sorry @across is right (10, 5) is your vertex.
anonymous
  • anonymous
okay so the domain is all real numbers & the range is y is greater then 5 correct ?
across
  • across
No.
across
  • across
The range is \(y\leq5\).
anonymous
  • anonymous
ohh thats what i was trying to say lol how do you use the equation symbols ?
across
  • across
Enclose them in either \.(\) or \.[\], without the dot.
across
  • across
That one up there, for example, is \.(y\leq5\) (again, without the dot).
anonymous
  • anonymous
okay thanks

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