anonymous
  • anonymous
I need help *** if someone can get back to me you will get a medal!! really need help lost
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
amistre64
  • amistre64
Post the question you need help with, and not an advertisement to "swap answers" please
anonymous
  • anonymous
what quiz
anonymous
  • anonymous
ok for the function 32 over x+3 find (g^-1*g(5)

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anonymous
  • anonymous
Graphing Radical Functions Quiz '
amistre64
  • amistre64
what is the value of g(5)?
anonymous
  • anonymous
Sorry it soupposed to be (g^-1*g)(5)
anonymous
  • anonymous
I dont remeber that, srry I take Geometry and Id ont rmeber how to solve
anonymous
  • anonymous
it does not say what g equals
amistre64
  • amistre64
im pretty sure g is the name of the function they gave you
amistre64
  • amistre64
\[g(x)=\frac{32}{x+3}\]
anonymous
  • anonymous
ok so i multiply that funtion by itself to the -1 power?
amistre64
  • amistre64
the -1 notation here denotes the inverse of the function .. not really a power
amistre64
  • amistre64
do you know how to find an inverse?
anonymous
  • anonymous
not really
amistre64
  • amistre64
given a function \[y=\frac{32}{x+3}\] the inverse swapps x and y, so the inverse of this is \[x=\frac{32}{y+3}\]
anonymous
  • anonymous
so now i divide?
amistre64
  • amistre64
lets work the inverse a little more .. just so things loook normal \[x=\frac{32}{y+3}\] \[y+3=\frac{32}{x}\] \[y=\frac{32}{x}-3=g^{-1}(x)\]
amistre64
  • amistre64
so, \[g^{-1}*g=(\frac{32}x-3)(\frac{32}{x+3})\] plug in x=5 and find the product
anonymous
  • anonymous
4
anonymous
  • anonymous
now what? would i times 4 by 5?
amistre64
  • amistre64
not if your following what ive written ....
anonymous
  • anonymous
the answer choices are 11 5 2 and 1 so ???
anonymous
  • anonymous
what now
anonymous
  • anonymous
sorry i am not good at this
amistre64
  • amistre64
hmm, you sure thats a "*" in between them or is it more of an "\(^o\)"
anonymous
  • anonymous
an o
amistre64
  • amistre64
ahhh, that changes things, the open "o" means a composite, not a multiplication of the 2 of them
amistre64
  • amistre64
g^(-1) o g has a property that the input is the same as the output
anonymous
  • anonymous
could you check out the math chat box it may need to be controlled.
amistre64
  • amistre64
it needs the adminstrators to come online and deal with the isp itself .. so that the whole school gets banned
amistre64
  • amistre64
so if the input is 5, what is the output?
anonymous
  • anonymous
5?
anonymous
  • anonymous
-5
amistre64
  • amistre64
yes, if the input is 5, the output is 5 ... its a special property of composing inverses of each other
anonymous
  • anonymous
what school. Cant you bn them if they need
anonymous
  • anonymous
so if there is an o don't multiply make input sam as output?
amistre64
  • amistre64
only if the functions are inverses of each other does that work. If they are not inverses the input and output can be different
anonymous
  • anonymous
brb domestic situation at house have to help brother
amistre64
  • amistre64
good luck ::)

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