Dilations Question (1 Viewer)

[hmim]

In the solutions, this said that the graph had been dilated horizontally by 3 and vertically by 2

I get the vertically by 2 part, but how can i identify that it has been dilated horizontally by a factor of 3?

 

[synthesisFR]

whats the usual restriction on tanx domain vs what u see here

 

[hmim]

whats the usual restriction on tanx domain vs what u see here

Ahh yes, that makes sense: pi/2 times 3

Thanks so much!