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Katyanochek1 [597]

3 years ago

6

en la tienda la cuquita vende queso cortado en trosos de diferentes pesos calculen presios y pesos para completar la infomacion

3n las etiquetas. 1000g = 1250g= =160.00. = 14.00. 100g= 650g= 6659g= 250g=$150.00. =16.00

1 answer:

telo118 [61]3 years ago

5 0

answer 143.00 Step-by-step explanation:

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To find inverse function $f^{-1}(x)$ we substitute x with $f^{-1}(x)$ and vice-versa to get

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Now solve for $f^{-1}(x)$ . Note that I will use $j$ instead.

$x=\dfrac{j+5}{3j-1} \\x(3j-1)=j+5 \\3jx-x=j+5 \\3jx-x-j-5=0 \\3jx-j=x+5 \\j(3x-1)=x+5 \\j=\dfrac{x+5}{3x-1}$

So we find that $f(x)=f^{-1}$ .

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