What is g(21) equal to?
g(t) = t-6/3
g(21) = [1]
![What is g21 equal to gt t63 g21 1 class=](https://us-static.z-dn.net/files/d63/27c6d7bb1238532a114816519e0fdb58.png)
You have to plug the given input in the formula: if you substitute t with 21 you have
[tex]g(t) = \dfrac{t-6}{3} \implies t(21) = \dfrac{21-6}{3}=\dfrac{15}{3}=5[/tex]