What is the missing output?
![What is the missing output class=](https://us-static.z-dn.net/files/df0/af2f6d61698840365e37aca484e7387c.png)
Answer:
28
Step-by-step explanation:
We substitute all of the x's for threes to get the output.
f(3)= 3(9)-(2*3)+7
f(3)= 27-6+7
f(3)= 21+7
f(3)= 28