Which of the following equations could describe the k$-$th output of a multilayer perceptron with $784$ inputs and $100$ hidden units?

$100$

$784$

$18$

w$=$a

$101$

W

Which of the following equations could describe the k$-$th output of a multilayer perceptron with $64$ inputs and $128$ hidden units?

$/12965$ yx$,$w$)=$o$[$ Zwh ZWjXi$+$Wj V$=1$ i$=1$

$65$

$129$ Z WXi$+$Wy i$=1$

x$,$w$=$

$64128$ Vx$,$w$=$a WKj Z WjXi$+$Wjo $+$WKC $=1$ i$=1$

$128$ y$($x$,$w$=$ ZWK

$64$ ZWX$+$W