Respuesta :

mathmate

Y intercept of a function can be obtained by evaluating the value of the function when x=0, i.e.


y-intercept of f(x) = f(0)


Here, f(x) = 4^(x)

so y-intercept = f(0) = 4^0 = 1

altavistard

All exponential functions have the y-intercept (0,1):


e^(0) = 1


10^0= 1


and so on.