Pre-Calculus Practice Exam 1

# Pre-Calculus Practice Exam 1 - Precalculus Practice Exam 1...

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Precalculus Practice Exam 1 Spring, 2008 1. (12 points) True or False. ____(a) If a linear function is increasing, then its slope is positive. ____(b) The average rate of change of a function Q = f(t) over an interval can be symbolically represented as t/ Q. ____(c) The graph of a circle is not the graph of a function. ____(d) It is possible for two quantities to be related and yet neither of the quantities is a function of the other. ____(e) Average speed can be computed by dividing the distance traveled by the time elapsed. ____(f) If A = f(n) is the smallest area of the head of a pin which is required for n angels to dance on it, then f(10) = 100 tells us that 10 angels can dance on the head of a pin whose area is 100. 2. (8 points) Suppose the function f has the graph shown below. The domain of f is: 3. x 0 (a) Find the average rate of change of the function f between x = 1 and x = 2. (b)

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Pre-Calculus Practice Exam 1 - Precalculus Practice Exam 1...

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