# How do you find f(-3) given f(x)=3x-5?

##### 1 Answer
Apr 12, 2017

$f \left(- 3\right) = - 14$

#### Explanation:

To evaluate f( -3 ) substitute x = - 3 in f( x )

$f \left(\textcolor{red}{- 3}\right) = \left(3 \times \textcolor{red}{- 3}\right) - 5$

$\textcolor{w h i t e}{\times \times} = - 9 - 5$

$\textcolor{w h i t e}{\times \times} = - 14$