Answer:
https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:functions/x2f8bb11595b61c86:inputs-and-outputs-of-a-function/v/matching-function-input-to-output-with-graph
Step-by-step explanation:
M=-3
10=7-m
Subtract 7 from both sides
3=-m
Divide by negative
-3=m
2 3/4
everyone
84m2
m = 4