The Food Marketing Institute shows that 17% of households spend more than $100 per week on groceries. Assume the population prop
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Recall that
Take it one piece at a time. For
If we shift the argument by 1 and scale by -5, we have
so if we subtract this from
For the next piece, we can add another scaled and shifted step like
so that
For the last piece, we add one more term:
and so putting everything together, we get
44
-3x + 2 > 14.
-2 -2 -2
42 -3x > 12
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-3 -3 -3 (dividing with inequalities by a negative flips the inequality symbol)
-14
x < -4
-2 -2 -2
42
-------------------------------------
-3 -3 -3 (dividing with inequalities by a negative flips the inequality symbol)
-14