Question

determine a função afim
a) F ( -1 ) = 3 e F ( 1 ) = -1
b)F ( 1 ) = -1 e F ( 2 ) = 1

Answer 1

A) -a+b=3 a + b=-1 2b=2∴ b=2/2=1 -a+1=3 ∴ -a= 3-1= 2∴ a=-2. y = -2x+1 B) a+b=-1x(-1) 2a+b=1 -a-b=1 2a +b=1 a=2. ∴ a+b =-1 ∴2 +b =-1∴b= -1-2=-3 y = 2x -3