Exponential Log Review

How much is the table worth after 10 years? (Round your answer to the nearest hundredth and do not type the dollar sign)

In approximately how many years will the cost of the table exceed $1200? (Round your answer to the nearest hundredth)

Which of the following equations represents V(t) that gives the value of the table after t years?

Tags

CCSS.HSF.LE.A.2

Which equation matches the graph?

• y = 2^x+3

• y = 2^x + 3

• y = 2^x

• y = 2^-x

Tags

CCSS.HSF.LE.A.2

Which of the following is an exponential decay model?

• y = 3 * (1/2)^x

• y = 1/2 * (3)^x

• y = -2 * (2)^x

• y = -3 * (3/2)^x

Tags

CCSS.HSF-LE.A.1A

Log with a base "e" (log_e) is the same thing as...

• "e"

• Natural Logarithm (LN)

• Common Logarithm (Log)

• Natural Log, base "e"
  LN_e

Tags

CCSS.HSF.BF.B.5

Log with a base "e" (log_e) is the same thing as...

• "e"

• Natural Logarithm (LN)

• Common Logarithm (Log)

• Natural Log, base "e"
  LN_e

Tags

CCSS.HSF.BF.B.5

Solve the equation for x.

• 7.389

• 0.693

• 0.0183

• 6.581

Tags

CCSS.HSF.BF.B.5

Solve for x:

• 1

• 2

• .5

• 4

Tags

CCSS.HSF.BF.B.5

Will this model predict a reasonable value of the table when t = 200? Which of the following is a valid answer with the appropriate reasoning.

• Yes, because t is 200 years.

• No, because this value of t is too far into the future and it is unreasonable to predict the value of an item that far in advance (none of us will be alive to determine if the prediction can come true).

• No, because it is big.

• Yes, because any equation can predict any future value.