Here’s another one. don’t get it wrong

Okay. The blue graph is a different version of the red graph. We will be looking at the formula based on the change of the vertex, and the vertex was previously at (0, 0). Looking at it, we go right 3 units and we go up one unit. Anytime we go right, we subtract directly from x (in the parenthesis), and when we go up, we always add. The equation of the blue graph is g(x) = (x - 3)² + 1. The answer is A.

I do believe it is -1 1/2 because I chose two points on the graph (0, 300) and (150, 200). To find slope you need to plug it into an equation, which in this case looks like, (150-0)/(200-300) which then goes to 150/-100, which then simplifies to 15/-10, and then it converts to -1 1/2.