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anonymous
 4 years ago
Which function is an odd function? f(x)=0.8x^3, f(x)=5x^2, f(x)=0.7x^2 + 3, or f(x)=3x  1.
anonymous
 4 years ago
Which function is an odd function? f(x)=0.8x^3, f(x)=5x^2, f(x)=0.7x^2 + 3, or f(x)=3x  1.

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barrycarter
 4 years ago
Best ResponseYou've already chosen the best response.3A function is odd if f(x) = f(x) in other words, if you negative the input, the output is negatived as well. For the first one: f(x)=0.8x^3 and f(x)=0.8(x)^3 which simplifies to 0.8*x^3 so that's the answer (assuming there's only one the others turn out to be a parabola and a straight line, and lines can only be odd if they pass through 0,0 (which this one doesn't).

mathmate
 4 years ago
Best ResponseYou've already chosen the best response.0hint: An odd function satisfies f(x)=f(x). For example, f(x)=x is odd, because f(x)=(x)=f(x) for all values of x.
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