Question 1040739
y=4^x
use x=-1,0, and 1
4^-1=1/4
4^0=1
4^1=4.
the y-intercept is 1.
There is no x-intercept.  4^-100000, for example is very close to zero, and the asymptote is 0, meaning as x approaches-oo, the function approaches 0.
It is an exponential function.
{{{graph(300,200,-10,10,-10,10,4^x)}}}