G(n) = - {2n}^(2) + 3 Find g(6)

Question

`g(n) = - {2n}^(2) + 3`
Find g(6)

Answer 1

`\bf g(n)=-2n^2+3\qquad \qquad g(\stackrel{\stackrel{n}{\downarrow }}{6})=-2(6)^2+3\implies g(6)=-2(36)+3 \\\\\\ g(6)=-72+3\implies g(6)=-69`