Transformation from the graph y=(x^2+9)^1/2 onto the graph 3*(x^2+1)^1/2
well,
3√(x^2+1) = √(9x^2+9)
= √(3x)^2 + 9)
So, it looks like a horizontal compression by a factor of 3.
3√(x^2+1) = √(9x^2+9)
= √(3x)^2 + 9)
So, it looks like a horizontal compression by a factor of 3.