Mathematics
ajeenah
2015-11-18 07:28:27
The graph of a quadratic function has a domain of (-∞, ∞) and range of [4, ∞). In two or more complete sentences, explain how the given range of the function can help you to determine whether the graph opens up or down.
ANSWERS
Frodge
2015-11-18 08:41:41

it if opens up, then the range will extednd to positive infinity. if it opens down then the range will exted to negative infintiy. there, 2 complete sentances so we got range is from 4 to infinty so it opens up

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