because if you multiply 3 by 0 its the same thing as saying 0+0+0 and that is still 0 (hope this was helpful)
Answer:

Step-by-step explanation:



Answer:
38
Step-by-step explanation:
f(-9) is the value of f(x) when x = -9. Therefore, f(-9) = 4 from the graph. Doing the same with g(6), we can see that g(6) = 6. Our expression becomes:
-1 * 4 + 7 * 6
= -4 + 42
= 38