a$.$ Define a variable t to be the array of numbers $[-5$:$0\mathrm{.}1$:$5].$ Let f$($t$)=1$

$($t$0\mathrm{.}9)2+1$ using your vector t$.$

b$.$ Plot f$($t$)$vs$.$ t and then f$($t$-3)$ vs$.$ t on the same plot. Use the $\text{'}$b$-*\text{'}$ option for one plot and $$r:$*$ for the

other. Compare the two plots. What effect does subtracting $3$ from t have on the output? Is this

consistent with the way the values of t$-3$ are shifted relative to t$?$ From the textbook, what

operation have you performed here?

c$.$ Now compare f$($t$)$ to f$(-$t$)$ using the same procedures you just used. From the textbook, what operation

have you performed here?