anonymous
  • anonymous
Exploring Graphs of All Functions Posting pic below
Business Skills
  • Stacey Warren - Expert brainly.com
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
@zepdrix
zepdrix
  • zepdrix
hahaha, what in the world?? This is an actual online question? Did a 5 year old draw the function? 0_o
anonymous
  • anonymous
Hahah i know this is the whole test a bunch of graphs drawn by 5 year olds

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zepdrix
  • zepdrix
I'll draw some examples.|dw:1449781756195:dw|
zepdrix
  • zepdrix
|dw:1449781789588:dw||dw:1449781814647:dw||dw:1449781839200:dw||dw:1449781863762:dw|
zepdrix
  • zepdrix
Which one does it sort of look like?
anonymous
  • anonymous
Exponential
zepdrix
  • zepdrix
Good good good.
zepdrix
  • zepdrix
The inverse function would be the curve `reflected across the line y=x`. Reflected across this dotted line.|dw:1449781953041:dw|Can you visualize it? You'll end up with one of those other three options when you reflect it.
anonymous
  • anonymous
I dont get the 2nd question it looks just like the 1st one?
zepdrix
  • zepdrix
They didn't actually do the work and graph the inverse for you.
zepdrix
  • zepdrix
I drew the dotted line to show that we're flipping our function across that line.
anonymous
  • anonymous
Oh so the 2nd one is C then?
zepdrix
  • zepdrix
|dw:1449782141549:dw|Good good good :) The reflection looks like this, which is our logarithmic function.
anonymous
  • anonymous
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zepdrix
  • zepdrix
Boy this one is pretty ambiguous. It's difficult to know what they mean by "values". Generally speaking, we care about the x-coordinates that we're allowed to plug into the function. We call the set of those x-coordinates our `domain`. See the dotted line at x=-1? That is showing us that the function has asymptotic behavior at x=-1, so it's excluded. But we also have a horizontal asymptote at y=1. It's a poorly written question. If I had to guess, I would go with b, and hope that they're talking about the excluded x values.
zepdrix
  • zepdrix
Oh option C doesn't make sense anyway :) So yes, that helps determine that B is the answer.
anonymous
  • anonymous
Oh okay
anonymous
  • anonymous
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anonymous
  • anonymous
wouldnt it be negative because the line is going down in the middle
zepdrix
  • zepdrix
The leading coefficient tells us about the `end behavior`, it doesn't necessarily tell us what is happening in the middle.
zepdrix
  • zepdrix
See how both "ends" are going UP?
zepdrix
  • zepdrix
(Both arrows pointing up)
anonymous
  • anonymous
yes i do
anonymous
  • anonymous
so C?
zepdrix
  • zepdrix
positive, yes :)
anonymous
  • anonymous
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