Graph A is a function. A function is defined as a graph that has one x for every y value. To verify this, you can use the vertical line test. When a vertical line is held to any portion of the graph, it should intersect the graph only once. This is only true for a parabola, proving it is the function.
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Answer:
jk = 2uv
uw = 1/2kl
You have to plug in 0 to each variable and solve to get each axis intercepts giving you. (0,-3) (6/5,0)
