We can eliminate choice C because our parabola is not upside down. The way I determined which one it was was by picking a point on the graph and testing the x value of the point in the equation. If the y value on the graph was the same as the y value on my calculator, then I chose the right one. Let me give you an example of what doesn't work first. Let's pick (3, 2) from the graph. Let's test that point in choice D. Filling in x = 3, y should = 2 if that's the right equation.

. Our y coordinate is not 7/2, it's 2. Let's try A:

. Again, our y value is 2, not -2. Let's try B:

. See how that works? Your choice is B.
Answer:
-3
Step-by-step explanation:
Hope this helps:)
Answer:
reflection is defined as the change in the direction of a wavefront at the interface between two different media, bouncing the wavefront back into the original medium. A common example of reflection is reflected light from a mirror or a still pool of water, but reflection affects other types of waves beside light.
Step-by-step explanation:
2x^2 if x=1/8 is 1/16
4x^2 if x=1/8 is 1/2
Answer:
b
Step-by-step explanation: