f(3)' = ( f(3+1) - f(3-1) ) / ( (3+1) - (3-1) ) = (26 - 8) / 2 = 18/2 = 9
f(4) = 16 +12 - 2 = 26
f(2) = 4 +6 -2 = 8
Объяснение:
f(3)' = ( f(3+1) - f(3-1) ) / ( (3+1) - (3-1) ) = (26 - 8) / 2 = 18/2 = 9
f(4) = 16 +12 - 2 = 26
f(2) = 4 +6 -2 = 8
Объяснение: