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Laabri

Unit 8 Test

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Last updated 5 months ago
12 Nsɛmmisa
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1.
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2.

You are frozen in time for some amount of years with $12 in your bank account with 16% interest. When you get thawed out, you check your bank balance and find that you have $93,948,357.98 saved up. How long were you frozen?

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3.

Solve the equation:

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4.

On the provided space, plot the following equation. Make sure to list at least 5 points:

y=2^{x+3}-3

You may use Desmos to get the graph and the points but you cannot screen shot

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5.

Determine the inverse of the function:

f(x)=\frac{2x^{2}+9}{8}-3

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6.

Choose the correct expansion for the Logarithm:

\log\frac{x^{6}}{y^{3}}

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7.

Choose the correct condesement of the Logarithm

\log u-(5\log w+15\log v)

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8.

Solve the following equation. Round your answers to the nearest ten-thousanths.

8^{2m}=92

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9.

Solve the following equation. Round your answers to the nearest ten-thousanths.

3^{a-10}+3=29

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10.

Using the following formula for Compound Interest,

A=P(1+r)^{t}

Where:

A=Final Amount

P=Initial Amount

r=interest rate (as a decimal)

t=number of years

Find how many years it would take to have $12,170.57 in the account that started with $420 at an interest rate of 5%.

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11.
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12.