Question

The cost for shipping by the Boston Mailing Company is based on the amount that a customer spends. For customers spending under $50, the shipping rate is $10; for $50 to under $100, the shipping rate is $7; for $100 to under $140, the shipping rate is $4; for $140 and over the shipping rate is $2. What domain interval will have a shipping rate of $4?

(1 point)

100<s≤140


100≤s<140


50≤s<100


100<s<140

Answer 1

100≤s<140

Reason: "For $100 to under $140" means s is at least 100 and less than 140, i.e., [100, 140).