You would substitute all x's with the number 30, so the answer would be f(30)=-1 or y=-1
Answer:
Answer
Step-by-step explanation:
7. f(x)=0.2x
8. f(x)=3x+5
9. f(x)=-2x-2
-2 1/3 2 5/9 2.43 2.43
? = 18
