y=3^x
opens up or down?
vertical stretch or compression
vertex
y-int
domain and range
y=a^x opens up for any value of a>0
domain is all reals
range is all y > 0
no vertex
a^0 = 1 for all a>0
stretch factor: compared to what?
opens up or down?
vertical stretch or compression
vertex
y-int
domain and range
domain is all reals
range is all y > 0
no vertex
a^0 = 1 for all a>0
stretch factor: compared to what?