$1.)$ For the function $y=2x^2+3$

i$.)$ In Excel, first create an $"x"$ column $($with appropriate header$)$ where $x$ values range from $0$ to $30$ in $0\mathrm{.}5$ increments. There is no need to hand type $0,0\mathrm{.}5,1$dots$30$ all by hand, which would take a while. Instead, use the following trick: type in the first two values, highlight both cells, put your cursor in the lower right corner until it turns color