Question

F(x)-2^2-8x-9mula1" title="f(x) = - 2 {x}^{2} - 8x - 9" alt="f(x) = - 2 {x}^{2} - 8x - 9" align="absmiddle" class="latex-formula">

Answer 1

If you get a Texas calc, input this equation and it’ll give u the answer.