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# Math2413 Fall2012 Homework#4 1. Findtheequationforthefunctiongraphedbelow:5 4 7 2 3 5 2 2 3 2 2 2 3 2 2 5 2 3 7 2 4 0. Solvethefollowingequation: 2...

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Math 2413 Fall 2012 Homework #4 1. Find the equation for the function graphed below: 2. Solve the following equation: 2cos(3 x ) 1 = 1 . 3. Solve the following: The number of deer in a certain area has been increasing by 4% per year since 1980, when there were 450,000 deer. If the growth continues in this way, when will the number of deer reach 5,000,000? ± 4 Π ± 7 Π 2 ± 3 Π ± 5 Π 2 ± 2 Π ± 3 Π 2 ± Π ± Π 2 Π 2 Π 3 Π 2 2 Π 5 Π 2 3 Π 7 Π 2 4 Π ± 1. ± 0.5 0.5 1. 1.5 2. 2.5 3.
4. Given the graph below, answer the questions that follow: a. Over which intervals will the rate of change be positive? Explain. b. Over which intervals will the rate of change be negative? Explain. c. At which points will the rate of change be zero? Explain. d. Estimate when the rate of change of the rate of change will be zero. Explain. ± 2 ± 1 1 2 3 ± 3 ± 2 ± 1 1

Math 2413 Fall 2012 Homework #4
1. Find the equation for the function graphed below: Equation of the function can be found as follows:
a).
This is clearly Sinusoidal signal.
b).
Sinusoidal signal...

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