Given the relation R, R (A1, A2, A3, A4, A5, A6, A7, A8, A9, A10 ) and the following
set of functional dependencies FDs:
A1A2 \rightarrow A3
A2 \rightarrow A5 A6
A1 A4 \rightarrow A7A8
A7 \rightarrow A9
A8 \rightarrow A10
What is the key for R?
(A1 A2 A4) is a KEY True or False show your answer
(A1 A4 A7) is a KEY True or False show your answer