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anonymous
 one year ago
select the expression that represents a rational function:
7=6/3x2
f(x)=6/3x+2
x/6=6/3x+2
y=3x+2
plz help
anonymous
 one year ago
select the expression that represents a rational function: 7=6/3x2 f(x)=6/3x+2 x/6=6/3x+2 y=3x+2 plz help

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mathmate
 one year ago
Best ResponseYou've already chosen the best response.0@sam_avd brackets are critical for this question. I think you mean 7=6/(3x2) f(x)=6/(3x+2) x/6=6/(3x+2) y=3x+2 Hint: Two of the choices are equations, not functions. Of the remaining two, we can distinguish a rational function by the definition that a rational function is a function of the form \(\large \frac{p(x)}{q(x)}\) where p(x) and q(x) are polynomials. see also http://www.math.utah.edu/~wortman/1050textrf.pdf

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0thank you so much!;)
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