lexy148
  • lexy148
i need help graphing this, can someone help. The domain is negative infinity < x < + infinity and has a range of negative infinity < y< + infinity.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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misty1212
  • misty1212
HI!!
misty1212
  • misty1212
can you graph anything with that domain and range?
lexy148
  • lexy148
|dw:1440551238566:dw| i was thinking something like this but i dont know if its correct

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misty1212
  • misty1212
no it is not
misty1212
  • misty1212
if the domain is \((-\infty, \infty)\) you could just use \(y=x\)
lexy148
  • lexy148
i still dont get what your trying to say
misty1212
  • misty1212
|dw:1440551451386:dw|
lexy148
  • lexy148
why wouldnt it be curved
misty1212
  • misty1212
it just says graph anything right?
misty1212
  • misty1212
you can make it curved, but it has to have domain all real numbers, your picture did not
misty1212
  • misty1212
|dw:1440551570139:dw|
misty1212
  • misty1212
maybe i do not understand the question seems very open ended
lexy148
  • lexy148
yeah thats correct what your telling me
lexy148
  • lexy148
it also ask to write the maximum and minimum for each one
misty1212
  • misty1212
can you post a picture or screenshot or something?
misty1212
  • misty1212
i think there is more to the question than "graph anything with domain and range all real numbers" maybe i am wrong, but it seems to open ended besides, who ways it has a max or min also you wrote "each one" like there could be several
lexy148
  • lexy148
let me post it give me a sec
misty1212
  • misty1212
kk
lexy148
  • lexy148
1 Attachment
lexy148
  • lexy148
i sent you a pic of the question
misty1212
  • misty1212
lol i thought so !!
lexy148
  • lexy148
its number 2
misty1212
  • misty1212
you actually have a graph, don't you?
misty1212
  • misty1212
oooh
misty1212
  • misty1212
ok in that case it says pretty much what you said, but you missed "always increasing"
lexy148
  • lexy148
yeah srry about that my bad
misty1212
  • misty1212
ok so we can use a specific example of a function that is always increasing why make it hard, use \(f(x)=x\) that has domain and range all real numbers, and is strictly increasing
misty1212
  • misty1212
Q) does your function have any max or min? A) NO, if it is strictly increasing, it cannot have a local max or min because it keeps going up!
misty1212
  • misty1212
actually that answers both questions, the specific one and the general one
lexy148
  • lexy148
ok thank you for the help i can answer the rest on my own. just the graphing got me confused
misty1212
  • misty1212
also it means my second example above, the curvy one, is wrong, since it is not strictly increasing
misty1212
  • misty1212
\[\color\magenta\heartsuit\]
lexy148
  • lexy148
ok got that but the straight one would be correct
misty1212
  • misty1212
yes it would
lexy148
  • lexy148
kk thx :)

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