Publix sells 4 sizes of peanut butter. which jar is the best buy? (a) 12 oz at $1.68 (b) 14 oz at $1.82 (c) 28 oz at $3.36 (d) 40 oz at $5.10

Consider the functions below. function 1 function 2 function 3 select the statement which is true about the functions over the interval [1, 2] a b function 3 has the highest average rate of change function 2 and function 3 have the same average rate of change. function and function 3 have the same average rate of change function 2 has the lowest average rate of change d.

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

What’s the range cuz i can’t find it?