PLEASE HELP FOR BRAINLIEST.
(2/3)
                                             
                                          
                                          
                                        
											 
											Answer:
s(t(- 4)) = 15
Step-by-step explanation:
evaluate t(- 4) then substitute the value obtained into s(x)
t(- 4) = - (- 4)² = - 16 , then
s(- 16) = - (- 16) - 1 = 16 - 1 = 15