2x+4y=12 solve for “y”.
2 answers:
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Factorized
To factor , we will have to do it by grouping.
is your answer.
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has critical points where
:
where is any integer. We get solutions in the interval
for
, for which
.
At this critical point, we have .
At the endpoints of the given interval, we have and
.
So we have the extreme values