Chapter 12 Test
Evaluate the given function. Round to the nearest thousandth.
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Simplify.
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Rewrite as a single logarithmic expression. Simplify if possible.
Assume that all variables represent positive real numbers.
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Rewrite as the sum or difference of logarithmic expressions whose
arguments have an exponent of 1. Simplify if possible. Assume that all
variables represent positive real numbers.
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Evaluate using the change-of-base formula. Round to the nearest
thousandth.
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Solve. Round to the nearest thousandth.
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Solve. Round to the nearest thousandth.
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15) For the function find its inverse function .
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16) Sonia started a bank account with an initial deposit of
$4200. The bank account pays 6% interest, compounded monthly. How long will it
take for the deposit to grow to $6000?
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17) A painting that was purchased for $15,000 in 1992 was
valued at $25,000 in 2002. If the value of the painting keeps rising
exponentially at the same rate, how much will it be worth in 2025?
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18) If researchers find a wooden chalice that contains 90%
of its original carbon-14, how old is the chalice? (Carbon-14 has a half-life
of 5730 years.)
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Graph. Label any intercepts and asymptotes. State the domain and range
of the function.
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