Which situation could not represent a proportional relationship?

question 1 options:

the weight in x weeks of a puppy that gains 2 pounds per week if it starting weight is 8 pounds.

the cost of purchasing p pounds of bananas for $0.55 per pound.

the number of gallons of water in x barrels with 50 gallons of water in each barrel

the amount an employee who makes $9.25 per hour earns in h hours

The equation represents the function f, and the graph represents the function g. f(x)=3(5/2)^x determine the relationship between the growth factors of f and g. a. the growth factor of g is twice the growth factor of f. b. the growth factor of f is twice the growth factor of g. c. the growth factor of f is 2.5 times the growth factor of g. d. the growth factor of f is the same as the growth factor of g.