Exam 3: Shortcuts to Differentiation
Exam 1: Functions and Change204 Questions
Exam 2: Rate of Change: the Derivative132 Questions
Exam 3: Shortcuts to Differentiation178 Questions
Exam 4: Using the Derivative94 Questions
Exam 5: Accumulated Change: the Definite Integral93 Questions
Exam 6: Antiderivatives and Applications122 Questions
Exam 7: Probability68 Questions
Exam 8: Functions of Several Variables134 Questions
Exam 9: Mathematical Modeling Using Differential Equations121 Questions
Exam 10: Geometric Series65 Questions
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The amount, W, of fuel used by an aircraft flying at speed v km/min is given, in liters, by
. Find the rate of change of W with respect to v when v = 4. Round to 1 decimal place.

(Short Answer)
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A. Find the equation of the line tangent to the graph of
at
.
B. Find the x-intercept of this line.
C. Find the y-intercept of this line.


(Short Answer)
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The equation of the tangent line to
at the point where
is given by
.



(True/False)
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The size of an impala population is represented by the function
, where t is time in months since the beginning of the year and
is measured in thousands. After 7 months, the population is __________(increasing/decreasing) at a rate of _____ thousand per month. Round to 2 decimal places.


(Short Answer)
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The total cost, in dollars, to produce q units is given by
. Find 


(Short Answer)
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The population of a town is approximated by the function
, where t is the number of years since 1980. Find
. Round to the nearest whole number.


(Short Answer)
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The value of a car is falling at 10% per year so that if
is the purchase price of the car in dollars, its value after t years is given by
. How fast is the car depreciating after 4 years?


(Multiple Choice)
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