# How do you find f(6) given f(x)=-2/3x^2-x+5?

Nov 6, 2016

-25

#### Explanation:

All you need to do is plug in 6 for x:

$f \left(6\right) = - \frac{2}{3} {x}^{2} - x + 5$
$- \frac{2}{3} {\left(6\right)}^{2} - \left(6\right) + 5$
$- \frac{2}{3} \cdot 36 - 6 + 5$
$- 24 - 6 + 5 = - 25$