f(x) = x2
The transformations are:
g(x) = a·(b(x-c))2 + d
- a = vertical stretch by factor of a. If a<0, reflects graph across x -axis
- b = horizontal stretch by a factor of 1/b. If b<0, reflects graph across y-axis
- c = horizontal shift (left/right)
- d = vertical shift (up/down)
Your graph is:
g(x) = f(-4(x-3) + 1 = (-4(x-3))2 + 1
- a = 1 no vertical stretch
- b = -4 horizontal stretch by a factor of -1/4, reflects graph across the y-axis
- c = 3 shifts graph right 3 units
- d = 1 shifts graph up 1 unit