Question

question

Answer 1

\(\large \color{black}{\begin{align}& \normalsize \text{which of the following is an odd function}\hspace{.33em}\\~\\
& a.)\ 2^{-x\cdot x} \hspace{.33em}\\~\\
& b.)\ 2^{x-x\cdot x\cdot x\cdot x} \hspace{.33em}\\~\\
& c.)\ \normalsize \text{both a.) and b.) } \hspace{.33em}\\~\\
& d.)\ \normalsize \text{neither a.) nor b.) } \hspace{.33em}\\~\\
\end{align}}\)

Answer 2

D

Answer 3

I got it, it's always D :P

Answer 4

is b.) odd

Answer 5

I think the question could better have been which one is even

Answer 6

Whenever you u see an exponent, how can the minus sign get down to the 2, how can it change sign and go from positive to NEGATIVE and vice versa,, it's always positive or negative

Answer 7

But never both

Answer 8

thnx

Answer 9

Wlc

Answer 10

\[f(x)=2^{-x^2}~~\implies~~f(-x)=2^{-(-x)^2}=2^{-x^2}=f(x)\]
\[g(x)=2^{x-x^4}~~\implies~~g(-x)=2^{-x-(-x)^4}=2^{-x-x^4}\]