Question

high tech graphics bought a fax machine for $750 . the fax machine depreciates at a rate of $25 a month
what would be the function f that can be used to determine the value of the fax machine t months after purchase
f(t)=

Answer 1

well, the machine starts off a 750 (x=0) an then depreciates in value every month, thus the function that models this is : f(x)=-25x+750 (where x represent the number of months)