Answer:
R(s)[tex]\geq 2000[/tex],
Step-by-step explanation:
The function R(s) = 20s
She needs to sell at least 100 subscriptions, so the least amount she wants to have is: 20*100 = $2000
Hence, is the domain of R(s) in this context
R(s)[tex]\geq 2000[/tex]
Hope it will find you well