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Feb
2
awarded  Popular Question
Aug
31
comment Solving a logarithmic expression without a calculator
Sorry, the base is 2
Aug
31
accepted Solving a logarithmic expression without a calculator
Aug
31
asked Solving a logarithmic expression without a calculator
Aug
31
awarded  Informed
Jun
20
awarded  Supporter
Jun
20
comment Sanity check, is $\{(-9,-3),(2,-1),(7,7),(-1,-1)\}$ a function?
you also plotted many points that you were not given, that's true, I didn't think of it that way.
Jun
20
comment Sanity check, is $\{(-9,-3),(2,-1),(7,7),(-1,-1)\}$ a function?
@Zev Chonoles, Heh! looks like someone already helped me out on this. I have my first Algebra test after 10+ years of no math classes today, so I was up till 4 am this morning studying to fill in the gaps so I guess I was a little too frantic for my English composition to be correct. :)
Jun
20
awarded  Student
Jun
20
awarded  Scholar
Jun
20
comment Sanity check, is $\{(-9,-3),(2,-1),(7,7),(-1,-1)\}$ a function?
ah I forgot that! thanks for clearing it up! I'm such a newb!
Jun
20
revised Sanity check, is $\{(-9,-3),(2,-1),(7,7),(-1,-1)\}$ a function?
added 86 characters in body
Jun
20
accepted Sanity check, is $\{(-9,-3),(2,-1),(7,7),(-1,-1)\}$ a function?
Jun
20
comment Sanity check, is $\{(-9,-3),(2,-1),(7,7),(-1,-1)\}$ a function?
@Day Late Don, Thanks Don, I'm finally understanding. :)
Jun
20
comment Sanity check, is $\{(-9,-3),(2,-1),(7,7),(-1,-1)\}$ a function?
@Chris Eagle, I think it is not a function because 1) I have repeating y values (the -1s) and 2) I plotted the points on a graph and it fails the vertical line test.
Jun
20
comment Sanity check, is $\{(-9,-3),(2,-1),(7,7),(-1,-1)\}$ a function?
I thought it had to be all second coordinates had to be distinct, not first. Maybe I'm going insane. :)
Jun
19
awarded  Editor
Jun
19
revised Sanity check, is $\{(-9,-3),(2,-1),(7,7),(-1,-1)\}$ a function?
added 508 characters in body
Jun
19
asked Sanity check, is $\{(-9,-3),(2,-1),(7,7),(-1,-1)\}$ a function?