Answer:
D) 
Step-by-step explanation:
A function is odd if its graph is symmetric to the origin, which we can check this if
is true:
<u>Option A</u>

Since
, then the function does not have odd symmetry
<u>Option B</u>
<u />
Since
, then the function does not have odd symmetry
<u>Option C</u>
<u />
Since
, then the function does not have odd symmetry
<u>Option D</u>
<u />
Since
, then the function DOES have odd symmetry. You can also see that the function is odd because every term has an odd exponent.