if you typed the following expression into the Command Window in MATLAB:

$$ for i $=1$:$200$ x$($i$)=$ i$/10$; $$ y$($i$)=$ x$($i$)^2+$ x$($i$)$ ; $$ end

a$)$ What value would be returned if you next typed into the Command Window $(4$ pts$)$:

x$(20)$

b$)$ What value would be returned if you next typed into the Command Window $(6$ pts$)$:

y$(20)$

c$)$ BONUS $2$ Points: What value would be returned if you next typed into the Command Window?

sum$($i$)$