Alfredo is buying a watch for $200. He will make an initial payment of $50 and then pay the remaining balance in payments for $1
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First of all, you figure out that -4 < 3, so you use the first function definition. Then you put -4 wherever you see x.
.. f(-4) = (-4)^2 -5
.. = 16 -5
.. f(-4) = 11
.. f(-4) = (-4)^2 -5
.. = 16 -5
.. f(-4) = 11