Need help

Question

Give an example of an exponential function that goes through the point (0,4) .

Answer 1

for any positive real a,

y = a^x always goes through (0,1), so
y = 4a^x always goes through (0,4)
y = a^x + 3 also goes through there.
y = h*a^x + k too, if h+k=4

negative powers also work.