if f is a function satisfying f x+y if f is a field then f x is a pid if f is a continuous function if f is a real valued differentiable function if f is an odd function then f -x if f is a function then f 2+h f 2 +f h if f is a linear function then f r+s f r +f s if function excel if formula excel if f x 2x and g x 5x what is f g x when x 3 if f x a x-cos x is strictly decreasing if i have an a and get an f what is my grade if g is the inverse of f and f' x 1/1+x 5 if f x is a periodic function if eyn+k t what is y in terms of e n k and f if function if function google sheets if function python if function excel multiple criteria if function in excel formula if f x 2x + 1 what is f 4 if formula with 3 conditions if formula excel multiple conditions if formula with 2 conditions if f x x 2 + 2x + 1 what is f -1