Answer:
Step-by-step explanation:
cross A and D stay with B and C lets take a look at all B and C
the week = X and amount = Y
linear function: refers to two distinct but related notions: In calculus and related areas, a linear function is a function whose graph is a straight line, that is, a polynomial function of degree zero or one
exponential function: is a function of the form {\displaystyle f(x)=ab^{x}, } where b is a positive real number, and the argument x occurs as an exponent