1.Find the distance between the points. Give an exact answer and an approximation to three decimal places. (2,-5) (-8,-2)

2Determine whether the relation is a function.Identify the domain and the range. ((-3,2),(6,2),(3,2),(4,2),(-2,2))

3.Find the domain of the following function. Do not use a graphing calculator. f(x)equals= 1 over x^2-5x-6

4.Explain why y= b represents a function

5.Find theslope, if itexists, of the line containing the pair of points.

(-8,-1) (-10,-14)

6.Kara's Custom Tees experienced fixed costs of $400and variable costs of $2 a shirt. Write an equation that can be used to determine the total expenses encountered byKara's Custom Tees. Let x be the number ofshirts, and letC(x) be the total cost of producing x shirts.Then, calculate the cost of producing 9shirts.

7.Find theslope-intercept form of the line passing through (3,6) (0,3)

8.The data in the chart shows the maximum and corresponding resting heart rate of a healthy20-year old man. Fit a regression line to the data. Then find the coefficient of correlation.Finally, use the regression line to predict the maximum heart rate for a resting heart rate of 40,55,and 76

resting 50 60 70 80 90

maximum 160 162 165 167 168

9.Solve using the principles together.Don't forget to check.

7 (5x+8)=12- (x+4)

10.A boat moves at a rate of 11mph in still water. If theriver's current flows at a rate of 4 mph, how long does it take the boat to travel 31 milesupstream?

11.Solve and write interval notation for the solution set. Then graph the solution set.

6x<-48 or x-2>0