1. 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 CompositionsFunctions Slope and Graphs Parallel & Perpendicular Lines Regression

2. Suppose Find

4. Suppose Find

6. Suppose Find

12. Is {(2, 3), (-1, 5), (3, 3), (5, 5)} a function?

13. Yes 2 3 5 3535

14. Given find x if f(x) = 10.

18. Given What is the domain in set-builder notation?

20. Given What is the domain in set-builder notation?

22. Find the slope of the line going through

24. Is a solution to ?

25. Yes

26. Write the equation of a line going through the points

28. Find the x-intercept and y-intercept of.

30. Find the equation of a line perpendicular to and passing through.

32. Find the slope of the line perpendicular to

34. Determine whether the graphs of are parallel.

35. Not parallel because same line

36. Write the equation of the line, in slope-intercept form, that goes through the point (2, 8) that is parallel to.

38. Write the equation of the line, in slope-intercept form, that is perpendicular to 2y + 3x = 6 and goes through the point (3, 10).

40. Write the equation of a line going through (4, 7) that is perpendicular to the line going through (-2, 3) and (4, 11).

42. Identify the x-variable and y- variable of the following: Four years after birth a turtle grew to a weight of 51 kg. Ten years after birth the turtle weighed 126 kg. You want to predict weight from age.

43. x-variable : age y-variable: weight

44. Find a linear regression equation for the following: Four years after birth, a turtle grew to a weight of 51 kg. Ten years after birth, the turtle weighed 126 kg.

46. Four years after birth, a turtle grew to a weight of 51 kg. Ten years after birth the turtle weighed 126 kg. Predict the weight of the turtle after 66 years of living.

48. Four years after birth a turtle grew to a weight of 51 kg. Ten years after birth the turtle weighed 126 kg. How old is a turtle that weighs 301 kg?

50. Three years after planting, a tree was 5 feet tall. After nine years the tree grew to 15 feet tall. Find a linear regression equation and predict the height of the tree 51 years after planting.