1.5.1. Exponential functions
Exponential function: f(x)=ax where a>0.
Power function: g(x)=xa
Natural exponential function: exp(x)=ex
anbn=an+m, anam=an−m, anbn=(ab)n,
anbn=(ab)n, (an)m=anm, a0=1, a1=a, a−n=1an