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MAT121 - Unit 1 Assessment 20. (2 pt) Which of the following do not represent functions? Please circle the graphs that do Spring 2020 not represent functions. 21. (7 pt) Choose one of your non-functions from the previous question and explain how you know that it is not a function? 22. (2 pt) Match the functions with their graph.\fMAT121 - Unit 1 Assessment Spring 2020 Use the following functions to answer questions 23-28 f(x) = 5x - 6 h(x) = Vx+6 g(x) = x- - 6x +5 i(x) = x+3 2x - 5 23. Write the domain of the following in interval notation: a. f (x ) (1 pt) Domain: b. h ( x ) (1 pt) Domain: c. j(x) (1 pt) Domain: 24. (1 pt) (f + 8) (2 ) 25. (1 pt) (h - j) (-2) 26. (1 pt) (f oh)(3) 27. (1 pt) (h (2) 28. (1 pt) g(f(x)) 6MAT121 - Unit 1 Assessment Spring 2020 29. (7 pt) Which of the following functions will shift the graph of f(x) = x3 two units to the right? 18 g(x) = x3+ 2 f ( x ) = x 3 - 2 j ( x) = (x - 2) 3 n ( x ) = (x+ 2) 3 30. (2 pt) Write the equation for f(x) that will perform the following transformations on h(x). h (x ) = Vx "f(x) is the graph of h(x) reflected over the x-axis and then shifted down 3 units" f ( x ) = For questions, 31 - 36, use the following definition of g(x): 9 (x) = -(x + 2)2+3 31. (1 pt) Sketch the graph g(x) 32. (1 pt) What is the domain of g(x)? 33. (1 pt) What is the range of g(x)? X 34. (1 pt) On what interval is g(x) increasing? 35. (1 pt) On what interval is g(x) decreasing? 7