Question $2$

Consider a fully connected $NN$ with the following architecture. If variable $d$ represents the

desired output, what part of the forward$-$backward process does this equation represent?

Select the most accurate choice.

$e_k(n)=d_k(n)-y_k(n),k=1$:$2$

Updating weights

Forward pass and calculating loss

Backward pass

None of the choices are correct