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For each function choose whether it’s graph opens upward or downward.Choose the equation with the widest graph.Choose the equation with the narrowest graph.

For each function choose whether it’s graph opens upward or downward.Choose the equation-example-1
User LeoMestizo
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a) if a > 0 the graph opens upward and if a < 0 it opens downward, hence:

up, up, up, down

b) widest: y = 2/3|x|

c) narrowest: y = 4|x|

For each function choose whether it’s graph opens upward or downward.Choose the equation-example-1
User Kiliantics
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