How do you find g(-6) given g(x)=3x-3?

Oct 1, 2016

$g \left(- 6\right) = - 21$

Explanation:

To evaluate g( -6), substitute x = - 6 into g(x).

$\Rightarrow g \left(\textcolor{red}{- 6}\right) = 3 \left(\textcolor{red}{- 6}\right) - 3$

$= \left(3 \times - 6\right) - 3 = - 18 - 3 = - 21$

$\Rightarrow g \left(- 6\right) = - 21$