Given a graph for the transformation of f(x) in the format GFX equals F of K times X, determine the key value. G(x) f(x) k= -4 K equals -1/4 k equals 1/4 k equals four

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?