Answer:
First graph
Explanation:
First off, the graph opens up because a is positive. Second, the parent function of the quadratic graph is
and the greater the WHOLE NUMBERS [vertical stretch (a)] get, the slimmer the parabola gets, and the more you increase the DEGREE evenly [anything ending in 0, 2, 4, 6, and\or 8], the more flat, U-shaped the parabola becomes.
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