Describe the error. The function f(x) = 2x3 - 5 is odd because f(x) = f(x), as

Describe the error.
The function f(x) = 2x3 - 5 is odd because f(ˆ’x) = ˆ’f(x), as follows.
f(ˆ’x) = 2(ˆ’x)3 ˆ’ 5
= ˆ’2x3 ˆ’ 5
= ˆ’ (2x3 ˆ’ 5)
= ˆ’f(x)