You have to check f(1) in each one to see if it's right and for f(4)
17 times evenly, all you have to do is divide 984 by 56 to get your answer.
Answer:
Pack of 6 apples for £1.65 is better because the price of 1 apple is less in this answer.
In this case of your exercise you need to know that
4^(1/2) = sqrt(4)
hope this help you