Answer:
f ≥ -2
Step-by-step explanation:
See steps below:
f [tex]\geq[/tex] -2
5f + 3 (−8f − 9) ≤ −8f −1 −4
=5f -24f -27 ≤ -8f -1 -4
= -19f -27 ≤ -8f -5
=-11f ≤ 22
= f [tex]\geq[/tex] -2