B) The revenues of a farmer may depend on two variables namely; the amount of fertilizer applied and also the type of the natural soil. Let It - 30x2y + y2 +50x 60y Where
L = annual revenue in £'000
- type of soil
y = amount of fertilizer applied
Required. Determine the rate of change of the II with respect to x and y
(3 marks)

in this passage from "animal farm", by george orwell, the statement that best explains how boxer's response supports the author's purpose in writing an allegory is option b) orwell uses boxer's decision to avoid more carnage by working hard to show how the working class was manipulated. boxer and the other animals feel they are responsible for their carnage because napoleon uses propaganda to manipulate the animals of the farm.

explanation:

explanation: in literature, realism focuses on dialogue, characterization, everyday moments and events, the character's psychological development, actions, decisions, as well as believable settings

explanation: