Complete the following questions to practice the skills you have learned in this lesson.
Use the following to answer questions 1 – 7.
The table shows values of the expressions and .
- Complete the statement.
- When the value of increases by , the expression :
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Changes logarithmically. It has decreased by one-half.
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Grows by decreasing amounts but by increasing growth factors.
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Changes exponentially. It doubles.
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Grows by increasing amounts but by decreasing growth factors.
- When the value of increases by , the expression :
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Changes logarithmically. It has decreased by one-half.
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Grows by decreasing amounts but by increasing growth factors.
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Changes exponentially. It doubles.
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Grows by increasing amounts but by decreasing growth factors.
- Will the value of be greater than or less than when is ?
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less than
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greater than
- Will the value of be greater than or less than when is ?
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less than
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greater than
- Will the value of be greater than or less than when is ?
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less than
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greater than
- Determine the following values of .
- What is the value of when is ?
- What is the value of when is ?
- What is the value of when is ?
- Determine the following values of .
- What is the value of when is ?
- What is the value of when is ?
- What is the value of when is ?
- Choose the best statement that describes how the values of the exponential expression and the quadratic expression change as becomes greater and greater.
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There is no change in the values of the expressions when increases.
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They both grow at the same rate.
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The value of the quadratic expression grows much more quickly as increases.
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The value of the exponential expression grows much more quickly as increases.
- Answer the following questions about functions and .
- What type of expression is ?
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linear
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quadratic
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exponential
- What type of expression is ?
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linear
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quadratic
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exponential
- The values of which function will eventually be greater for larger and larger values of ?
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Function
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Function
- The table shows the values of and for some values of .
Table 7.4.0
Looking at the patterns in the table, choose the best answer to explain why, as the value of increases, the values of the exponential expression will eventually overtake the values of the quadratic expression .
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The value of grows by a factor of every time and the value of grows by different factors.
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The value of grows by different factors and the value of grows by a factor of every time.
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The value of grows by a factor of 4 every time and the value of grows by different factors.
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The value of grows by different factors and the value of grows by a factor of 4 every time.