Answer:
Step-by-step explanation:
f (x) = (5(-4)) + a) (3/5 + 4) ( 6 + b)
f (x) = (-20 + a) (6 2/5) (6 + b)
f ( -20 ) = -20 + -20 (a) (6 2/5) (6 + b)
f ( -20 - 6 2/5 ) = (a) (6 2/5 -6 2/5) (6 + b)
f (-26 2/5 - 6 ) = (a) (6-6 +b)
f (-32 2/5-6) = (a) (b)
