Which equations represent increasing exponential functions? Select all that apply.

f(x)=8(0.5)^x
f(x)=3(0.95)^3x
f(x)=0.25(1.25)^2x
f(x)=100(0.99)^x
f(x)=1.756x
f(x)=4^0.5x

The equations that represent increasing exponential functions are:

f(x)=3(0.95)^3x
f(x)=0.25(1.25)^2x
f(x)=100(0.99)^x