What you do is look at the graph and whatever that line is on then that will be your answer.
Answer:
I can't see the triangles give me the coordinates
Step-by-step explanation:
9-t=t+3
Subtract t on both sides
-2t=-6
Divide by -2 to leave the variable by itself
t=3
Usually when you see f(x) or as yours is f(6) f with parenthesis is just a fancy way of saying y= so basically you plug six in for the x values of your question
