A trough contains a certain amount of sand. After Jamie used it to fill a 2.4-kilogram bag, a 650-gram bowl, and a 3- kilogram, 125-gram pail, she realized that she had a kilogram of sand left in the trough. How much sand was in the trough at
first? Give your answer in grams, using a comma.
a. There were
grams of sand in the trough at first.

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.