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1. What is log28? What is e? 

2. The equation y= -0.125x2+0.25x+4 shows the relationship between the numbers of romantic partners in college (x) and grades (y). Identify the constant, variable and exponent of -0.125x2.

3. Take the first derivatives of the equation -0.125x2+0.25x+4.

4. Given question 2 and 3 above, what is the optimum number of romantic partner(s)?

5. This function describing the relationship between the numbers of voters (y) , campaign funds (x) and amount of newspaper coverage (z) is y =20000-x2+50x+50z. Which function below describes how the number of voters grows as campaign funds increase?

6. Which of the statements below about these graphs is correct?
 

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