Need solving this problem don't understand it

Which of the following values are in the range of the function graphed below? check all that apply ! - will give the answer "brainliest! "

Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?

What is the missing value in the proportion 4/5 = x/30