Exam 1: Functions and Limits

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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.

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The graph of the function The graph of the function   has been compressed horizontally by a factor of 3. Find the function for the transformed graph. has been compressed horizontally by a factor of 3. Find the function for the transformed graph.

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Evaluate the limit, if it exists. Evaluate the limit, if it exists.

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If the point If the point   is on the graph of an even function, what other point must also be on the graph? is on the graph of an even function, what other point must also be on the graph?

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A rectangle has perimeter A rectangle has perimeter   m. Express the area of the rectangle as a function   of the length l of one of its sides. m. Express the area of the rectangle as a function A rectangle has perimeter   m. Express the area of the rectangle as a function   of the length l of one of its sides. of the length l of one of its sides.

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Use the table to evaluate the expression Use the table to evaluate the expression   .   1 2 3 4 5 6   3 2 1 0 1 2   6 5 2 3 4 6 . Use the table to evaluate the expression   .   1 2 3 4 5 6   3 2 1 0 1 2   6 5 2 3 4 6 1 2 3 4 5 6 Use the table to evaluate the expression   .   1 2 3 4 5 6   3 2 1 0 1 2   6 5 2 3 4 6 3 2 1 0 1 2 Use the table to evaluate the expression   .   1 2 3 4 5 6   3 2 1 0 1 2   6 5 2 3 4 6 6 5 2 3 4 6

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Use the precise definition of a limit to prove that Use the precise definition of a limit to prove that

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The displacement (in feet) of a certain particle moving in a straight line is given by The displacement (in feet) of a certain particle moving in a straight line is given by   where t is measured in seconds. Find the average velocity over the interval   Round your answer to three decimal places. where t is measured in seconds. Find the average velocity over the interval The displacement (in feet) of a certain particle moving in a straight line is given by   where t is measured in seconds. Find the average velocity over the interval   Round your answer to three decimal places. Round your answer to three decimal places.

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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.   (seconds) 0 1 2 3 4   (meters) 0 21)7 26)8 62)4 86)5 Find the average velocity for the time period beginning when   and lasting 2 seconds. (seconds) 0 1 2 3 4 The position of a car is given by the values in the following table.   (seconds) 0 1 2 3 4   (meters) 0 21)7 26)8 62)4 86)5 Find the average velocity for the time period beginning when   and lasting 2 seconds. (meters) 0 21)7 26)8 62)4 86)5 Find the average velocity for the time period beginning when The position of a car is given by the values in the following table.   (seconds) 0 1 2 3 4   (meters) 0 21)7 26)8 62)4 86)5 Find the average velocity for the time period beginning when   and lasting 2 seconds. and lasting 2 seconds.

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Find the numbers, if any, where the function Find the numbers, if any, where the function   is discontinuous. is discontinuous.

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For x = 5, determine whether f is continuous from the right, from the left, or neither. For x = 5, determine whether f is continuous from the right, from the left, or neither.

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The point The point   lies on the curve   . If is the point Q   , use your calculator to find the slope of the secant line PQ (correct to six decimal places) for the value  lies on the curve The point   lies on the curve   . If is the point Q   , use your calculator to find the slope of the secant line PQ (correct to six decimal places) for the value  . If is the point Q The point   lies on the curve   . If is the point Q   , use your calculator to find the slope of the secant line PQ (correct to six decimal places) for the value  , use your calculator to find the slope of the secant line PQ (correct to six decimal places) for the value The point   lies on the curve   . If is the point Q   , use your calculator to find the slope of the secant line PQ (correct to six decimal places) for the value

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Use the definition of the limit to find values of Use the definition of the limit to find values of   that corresponds to   .   Round your answer to the nearest thousandth. that corresponds to Use the definition of the limit to find values of   that corresponds to   .   Round your answer to the nearest thousandth. . Use the definition of the limit to find values of   that corresponds to   .   Round your answer to the nearest thousandth. Round your answer to the nearest thousandth.

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Given that Given that   , and   , evaluate the limit.  , and Given that   , and   , evaluate the limit.  , evaluate the limit. Given that   , and   , evaluate the limit.

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By cutting away identical squares from each corner of a rectangular piece of cardboard and folding up the resulting flaps, an open box can be made. If the cardboard is 17 in. long and 10 in. wide and the square cutaways have dimensions of x in. by x in., find a function that gives the volume of the resulting box. By cutting away identical squares from each corner of a rectangular piece of cardboard and folding up the resulting flaps, an open box can be made. If the cardboard is 17 in. long and 10 in. wide and the square cutaways have dimensions of x in. by x in., find a function that gives the volume of the resulting box.

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Evaluate the limit. Evaluate the limit.

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Find the function Find the function   and its domain if   and   . and its domain if Find the function   and its domain if   and   . and Find the function   and its domain if   and   . .

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If a rock is thrown upward on the planet Mars with a velocity of 10 m/s, its height in meters t seconds later is given by If a rock is thrown upward on the planet Mars with a velocity of 10 m/s, its height in meters t seconds later is given by   . Find the average velocity over the time interval   . . Find the average velocity over the time interval If a rock is thrown upward on the planet Mars with a velocity of 10 m/s, its height in meters t seconds later is given by   . Find the average velocity over the time interval   . .

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Find the vertical asymptotes of the function. Find the vertical asymptotes of the function.

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How would you define How would you define   in order to make f continuous at   ?  in order to make f continuous at How would you define   in order to make f continuous at   ?  ? How would you define   in order to make f continuous at   ?

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