Which equations represent increasing exponential functions? Select all that apply.
a. f(x) = 1/4(9)^x/2
b. f(x) = 1.25^x
c. f(x) = 4(0.99)^x
d. f(x) = 2(9)^x/3
e. f(x) = 7(1/2)^2x
f. f(x) = 5(3/5)^2x
The equations that represent increasing exponential functions are:
b. f(x) = 1.25^x
c. f(x) = 4(0.99)^x
e. f(x) = 7(1/2)^2x
f. f(x) = 5(3/5)^2x