tonadouglamirapia tonadouglamirapia

05-09-2016
Mathematics

Answered

Which function is an odd function?

Af(x)=0.8x^3
Bf(x)=5x^2
Cf(x)=0.7x^2 + 3
Df(x)=3x - 1

Verified Answer :

HomertheGenius HomertheGenius

13-09-2016

A function is odd if:
f ( - x ) = - f ( x )
A ) f ( - x )= 0.8 ( - x ) ^3 = - 0.8 x^3 = - f ( x )
Answer: A ) f ( x ) = 0.8 x^3 is an odd function.
Functions B ) and C ) are even and D) is neither even nor odd.

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