5.2 Quiz Review Name: ______________________________ Date: ________________ Period:______ 1. Choose True or False for each statement about the function f ( x) x 7 . A. The function is even. True False B. The domain of the function is 0, True C. The range of the function is , True False D. As x , f ( x) True False False 2. Choose True or False for each statement about the function f ( x) x 20 . A. The function is odd. True False B. The domain of the function is , True C. The range of the function is ,0 True False D. As x , f ( x) True False For 3-6, determine the number of turning points and the number and type (global or local) of any maximum or minimum values. a. f ( x ) x( x 2)( x 1) 4. f ( x ) ( x 1)3 ( x 1) Turning points: _______________ Turning points: _______________ Maximum: _________________________ Maximum: _________________________ Minimum: __________________________ Minimum: __________________________ 5. 𝑓(𝑥) = 𝑥 3 (𝑥 − 5)(𝑥 + 3) 6. 𝑓(𝑥) = 𝑥 4 (𝑥 + 1)3 (𝑥 + 4) Turning points: _______________ Turning points: _______________ Maximum: _________________________ Maximum: _________________________ Minimum: __________________________ Minimum: __________________________ False For 7-8, Graph the function. State the end behavior, x-intercepts, and intervals where the function is above or below the x-axis. 7. f ( x) x 2 ( x 1)( x 2) 8. f ( x) x 2 x 3 x 1 End behavior: _______________________ End behavior: _______________________ _______________________ _______________________ x-intercepts: ________________________ x-intercepts: ________________________ Above x-axis: ________________________ Above x-axis:________________________ Below x-axis: ________________________ Below x-axis:________________________ 9. To create an open-top box out of a sheet of cardboard that is 6 inches long and 4 inches wide, you make a square flap of side length x inches in each corner by cutting along one of the flap's sides and folding along the other. (In the diagram, a solid line segment in the interior of the rectangle indicates a cut, while a dashed line segment indicates a fold.) Once you fold up the four sides of the box, you glue each flap to the side it overlaps. To the nearest tenth, find the value of x that maximizes the volume of the box. 10. To create an open-top box out of a sheet of cardboard that is 8 inches long and 5 inches wide, you make a square flap of side length x inches in each corner by cutting along one of the flap’s sides and folding along the other. Once you fold up the four sides of the box, you glue each flap to the side it overlaps. To the nearest tenth, find the value of x that maximizes the volume of the box. 11. Write a cubic function in intercept form for the given graph, whose x-intercepts are integers. Assume that the constant factor a is either 1 or -1. Equation: ________________________ 12. Write a quartic function in intercept form for the given graph, whose x-intercepts are integers. Assume that the constant factor a is either 1 or -1. Equation: ________________________