The Esteban family will order one T-shirt for each person who attends their family reunion. The cost is $6.50 per T-shirt plus a
1 answer:
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Use the change-of-basis identity,
to write
Use the product-to-sum identity,
to write
Redistribute the factors on the left side as
and simplify to
Now expand the right side:
Simplify and rewrite using the logarithm properties mentioned earlier.
(C)