Question

dada a funçap f(x)=x-2/x+3 determine f(f(x)

Answer 1

f(x)= x-2. f(x)= x+3
(-2) = -2-2= -4. (-2) = -2+3 = 1
(-1) = -1-2= -3. (-1) = -1+3= 2
(0) = 0-2= -2. (0) = 0+3= 3
(1) = 1-2= -1. (1) = 1+3= 4
(2) = 2-2= 0. (2) = 2+3= 5