1.14. Which of the following functions represents exponential decay? Select all that apply.
A. f (x) = (1.03)
x
B. f(x) = (1.97)
x
10
C. f (x) = (0.97)
x
D. f (x) = (0.03)
−2x
E. f (x) = (1.23)
−4x
F. f(x) = (0.5)
x
2