Explanation:
F(-1) THIS MEANS:
THEY WANT THE OUPUT OF THE FUNCTION F(X) WHEN X=-1
THIS MEANS YOU WILL PLUG THE VALUE -1 IN THE FUNCTION F(X) IN THE PLACE OF X AND SIMPLIFY
F(-1)=-2(-1)-3
F(-1)= 2-3
F(-1)= -1
HOPE THIS HELPS!!!
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