Best answer:
y = -3x^2 + 7 is a function of x. It's most provable by the vertical line test (no vertical line can pass through one point on the graph). All vertical opening parabolas like this one are functions of x.
Now, if you wonder if it's a function of y, absolutely not, because the graph at every point but the...
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Best answer: y = -3x^2 + 7 is a function of x. It's most provable by the vertical line test (no vertical line can pass through one point on the graph). All vertical opening parabolas like this one are functions of x.
Now, if you wonder if it's a function of y, absolutely not, because the graph at every point but the vertex is crossed twice at different times.
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1 day ago