In Exercises $35-44,$ graph the quadratic function. $$f(x)=-x^{2}+3 x+4$$
Added by Justin F.
Step 1
Find the vertex of the parabola: The vertex of the parabola is given by the formula $(-\frac{b}{2a}, f(-\frac{b}{2a}))$. In this case, $a=-1$, $b=3$, and $c=4$. Therefore, the vertex is $(-\frac{3}{2}, \frac{25}{4})$. Show more…
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