Exam 1: Functions and Limits

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Use continuity to evaluate the limit. Use continuity to evaluate the limit.

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Use the graph to determine where the function is discontinuous. Use the graph to determine where the function is discontinuous.

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The monthly cost of driving a car depends on the number of miles driven. Julia found that in October it cost her The monthly cost of driving a car depends on the number of miles driven. Julia found that in October it cost her   to drive   mi and in July it cost her   to drive   mi. Express the monthly cost C as a function of the distance driven d assuming that a linear relationship gives a suitable model. to drive The monthly cost of driving a car depends on the number of miles driven. Julia found that in October it cost her   to drive   mi and in July it cost her   to drive   mi. Express the monthly cost C as a function of the distance driven d assuming that a linear relationship gives a suitable model. mi and in July it cost her The monthly cost of driving a car depends on the number of miles driven. Julia found that in October it cost her   to drive   mi and in July it cost her   to drive   mi. Express the monthly cost C as a function of the distance driven d assuming that a linear relationship gives a suitable model. to drive The monthly cost of driving a car depends on the number of miles driven. Julia found that in October it cost her   to drive   mi and in July it cost her   to drive   mi. Express the monthly cost C as a function of the distance driven d assuming that a linear relationship gives a suitable model. mi. Express the monthly cost C as a function of the distance driven d assuming that a linear relationship gives a suitable model.

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Find the limit Find the limit   . .

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A box with an open top is to be constructed from a rectangular piece of card board with dimensions A box with an open top is to be constructed from a rectangular piece of card board with dimensions   in. by   in. by cutting out equal squares of side x at each corner and then folding up the sides as in the figure. Express the volume V of the box as a function of x.  in. by A box with an open top is to be constructed from a rectangular piece of card board with dimensions   in. by   in. by cutting out equal squares of side x at each corner and then folding up the sides as in the figure. Express the volume V of the box as a function of x.  in. by cutting out equal squares of side x at each corner and then folding up the sides as in the figure. Express the volume V of the box as a function of x. A box with an open top is to be constructed from a rectangular piece of card board with dimensions   in. by   in. by cutting out equal squares of side x at each corner and then folding up the sides as in the figure. Express the volume V of the box as a function of x.

(Multiple Choice)
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A tank holds A tank holds   gallons of water, which drains from the bottom of the tank in half an hour. The values in the table show the volume V of water remaining in the tank (in gallons) after   minutes. If   is the point   on the graph of   , fill the table with the slopes of the secant lines   where Q is the point on the graph with the corresponding   .   Enter your answer to two decimal places. t Slope 5 10 20 25 30 gallons of water, which drains from the bottom of the tank in half an hour. The values in the table show the volume V of water remaining in the tank (in gallons) after A tank holds   gallons of water, which drains from the bottom of the tank in half an hour. The values in the table show the volume V of water remaining in the tank (in gallons) after   minutes. If   is the point   on the graph of   , fill the table with the slopes of the secant lines   where Q is the point on the graph with the corresponding   .   Enter your answer to two decimal places. t Slope 5 10 20 25 30 minutes. If A tank holds   gallons of water, which drains from the bottom of the tank in half an hour. The values in the table show the volume V of water remaining in the tank (in gallons) after   minutes. If   is the point   on the graph of   , fill the table with the slopes of the secant lines   where Q is the point on the graph with the corresponding   .   Enter your answer to two decimal places. t Slope 5 10 20 25 30 is the point A tank holds   gallons of water, which drains from the bottom of the tank in half an hour. The values in the table show the volume V of water remaining in the tank (in gallons) after   minutes. If   is the point   on the graph of   , fill the table with the slopes of the secant lines   where Q is the point on the graph with the corresponding   .   Enter your answer to two decimal places. t Slope 5 10 20 25 30 on the graph of A tank holds   gallons of water, which drains from the bottom of the tank in half an hour. The values in the table show the volume V of water remaining in the tank (in gallons) after   minutes. If   is the point   on the graph of   , fill the table with the slopes of the secant lines   where Q is the point on the graph with the corresponding   .   Enter your answer to two decimal places. t Slope 5 10 20 25 30 , fill the table with the slopes of the secant lines A tank holds   gallons of water, which drains from the bottom of the tank in half an hour. The values in the table show the volume V of water remaining in the tank (in gallons) after   minutes. If   is the point   on the graph of   , fill the table with the slopes of the secant lines   where Q is the point on the graph with the corresponding   .   Enter your answer to two decimal places. t Slope 5 10 20 25 30 where Q is the point on the graph with the corresponding A tank holds   gallons of water, which drains from the bottom of the tank in half an hour. The values in the table show the volume V of water remaining in the tank (in gallons) after   minutes. If   is the point   on the graph of   , fill the table with the slopes of the secant lines   where Q is the point on the graph with the corresponding   .   Enter your answer to two decimal places. t Slope 5 10 20 25 30 . A tank holds   gallons of water, which drains from the bottom of the tank in half an hour. The values in the table show the volume V of water remaining in the tank (in gallons) after   minutes. If   is the point   on the graph of   , fill the table with the slopes of the secant lines   where Q is the point on the graph with the corresponding   .   Enter your answer to two decimal places. t Slope 5 10 20 25 30 Enter your answer to two decimal places. t Slope 5 10 20 25 30

(Essay)
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Find the limit. Find the limit.

(Multiple Choice)
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Use the graph of the function to find each limit. Use the graph of the function to find each limit.     ,   ,  Use the graph of the function to find each limit.     ,   ,  , Use the graph of the function to find each limit.     ,   ,  , Use the graph of the function to find each limit.     ,   ,

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The graphs of The graphs of   and   are given. a) For what values of   is   ? b) Find the values of   and   .  and The graphs of   and   are given. a) For what values of   is   ? b) Find the values of   and   .  are given. a) For what values of The graphs of   and   are given. a) For what values of   is   ? b) Find the values of   and   .  is The graphs of   and   are given. a) For what values of   is   ? b) Find the values of   and   .  ? b) Find the values of The graphs of   and   are given. a) For what values of   is   ? b) Find the values of   and   .  and The graphs of   and   are given. a) For what values of   is   ? b) Find the values of   and   .  . The graphs of   and   are given. a) For what values of   is   ? b) Find the values of   and   .

(Essay)
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Find the limit. Find the limit.

(Multiple Choice)
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Evaluate the limit. Evaluate the limit.

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Use the graph of Use the graph of   to guess at the limit   , if it exists.  to guess at the limit Use the graph of   to guess at the limit   , if it exists.  , if it exists. Use the graph of   to guess at the limit   , if it exists.

(Multiple Choice)
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Use the graph of the function to state the value of Use the graph of the function to state the value of   , if it exists.  , if it exists. Use the graph of the function to state the value of   , if it exists.

(Multiple Choice)
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The position of a car is given by the values in the following table. The position of a car is given by the values in the following table.   Estimate the instantaneous velocity when   by averaging the velocities for the periods   . Estimate the instantaneous velocity when The position of a car is given by the values in the following table.   Estimate the instantaneous velocity when   by averaging the velocities for the periods   . by averaging the velocities for the periods The position of a car is given by the values in the following table.   Estimate the instantaneous velocity when   by averaging the velocities for the periods   . .

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Use a graph to find a number Use a graph to find a number   such that   whenever   . such that Use a graph to find a number   such that   whenever   . whenever Use a graph to find a number   such that   whenever   . .

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Find the limit. Find the limit.

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If If   , evaluate the difference quotient   . , evaluate the difference quotient If   , evaluate the difference quotient   . .

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In the function In the function   , what must be the value d, if   ? , what must be the value d, if In the function   , what must be the value d, if   ? ?

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Sketch the graph of the function f and evaluate Sketch the graph of the function f and evaluate    Sketch the graph of the function f and evaluate

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Choose an equation from the following that expresses the fact that a function Choose an equation from the following that expresses the fact that a function   is continuous at the number   . is continuous at the number Choose an equation from the following that expresses the fact that a function   is continuous at the number   . .

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