Please help! and explain why

Domain(-3 , 1]

Range [-4,0)

Step-by-step explanation:

Domain is the values that x can take

x > -3 since it is an open circle and x≤ 1

Using interval notation

(-3 , 1]

The range is the value that y can take

y ≥-4 for the closed circle and y <0 since it doesn't touch 0 at x=0

Using interval notation

[-4,0)

she would want to sell 10 full-year subscriptions and at least 9 half-year subscriptions to get a total of at least $300. 

i hope this answer you! if you have any further questions or concerns, feel free to ask! : )

step-by-step explanation:

mark brainliest!