CCSS.Math.Content.HSF.LE.A.4

Which of the following is the value of x given;
e^(x + 6) = 12

• x = ln 6
• x = -6 + ln12
• x = ln72
• x = ln(-2)

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CCSS.Math.Content.HSF.LE.A.4

The natural logarithm has what base?

• 10
• 0
• e
• -e

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CCSS.Math.Content.HSF.LE.A.4

Solve for x.
3^x = 27

• 2
• 4
• 3
• 5

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CCSS.Math.Content.HSF.LE.A.4

Sovle for x:
5^{-3x - 1} = 25

• x = -1
• x = -4
• x = -3
• x = 1

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CCSS.Math.Content.HSF.LE.A.4

Solve for x:

• 1
• 2
• .5
• 4

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CCSS.Math.Content.HSF.LE.A.4

Expand:

• 
• 
• 
• 

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CCSS.Math.Content.HSF.LE.A.4

Your returns (or interest rate) are 9% a year. How long before your investment doubles?

• 9 years
• 8 years
• 7 years
• They won't

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CCSS.Math.Content.HSF.LE.A.4

Expand

• A
• B
• C
• D

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CCSS.Math.Content.HSF.LE.A.4

Morales Bank offers you 3.9% interest compounded monthly. How long will it take for your money to triple if you use Morales Bank?

• 17 years and 10 months

• 28 years and 2 months

• 28 years and 3 months

• 29 years

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CCSS.Math.Content.HSF.LE.A.4

The formula $N=N_o\ e^{1.5t}$  can be used to model the continuous spread of poison ivy leaves in a forest. If t represents time in weeks and the initial cluster of poison ivy has 8 leaves, how long will it take for there to be 7000 poison ivy leaves in the forest?

• 4.6 weeks

• 5.0 weeks

• 12.2 weeks

• 10.8 weeks

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CCSS.Math.Content.HSF.LE.A.4