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165 REV DAY 3

Last updated over 4 years ago

12 questions

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When is the exam?

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How many parts are there?

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In what order should you take the test?

How confident are you that you could solve each problem?
[DeltaMath Review topic in brackets.]

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[1] Find the inverse:
f(x)=3(x-7)^{7}, \text{find }f^{-1}(x)

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[2] [3] Solve:
\log_2(x+6)+\log_2(x+5)=1

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[4] [5] [6] [7] Graph f(x). State the domain, range and asymptote.
f(x)=-\log_2(x-2)+3
Using the graph: what is the end behavior of f(x)?

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[8] Solve for the exact value of x.
2\ln(6x+5)-11=-3

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[9] Solve for x, round to the nearest hundredth.
3^{2x}=68

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[10] [11] Solve for x, exact answer.
(\frac{1}{9})^{-5x+9}=(27)^{3x-14}

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[12] Growth or decay? y=33(0.97)^x

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[13] Write an exponential in the form y=ab^x if it goes through the points (0,4) and (2,256).

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[14] [15] In a lab experiment, 70 bacteria are placed in a petri dish. The conditions are such that the number of bacteria is able to double every 16 hours. How long would it be, to the nearest tenth of an hour, until there are 96 bacteria present? Use y=ae^{rt}