Select independent or not independent for each situation.

Which graph shows a function with a range of all real numbers greater than or equal to -1

Afruit stand has to decide what to charge for their produce. they need $10 for 4 apples and 4 oranges. they also need $15 for 6 apples and 6 oranges. we put this information into a system of linear equations. can we find a unique price for an apple and an orange?

How do i do this activity, is appreciated