3:55 AM Tue S ... webassign.net 0 A quadratic function f is given. f(x) =-4x2 - 20x +5 (a) Express fin standard form. f ( x ) = (b) Find the vertex and x- and y-intercepts of f. (If an answer does not exist, enter DNE.) vertex ( x, y ) = X X-intercepts ( x, y ) = (smaller x-value) ( x, y ) = (larger x-value) y-intercept ( x , y ) = (c) Sketch a graph of f. Graph Layers 30 After you add an object to the graph you can use Graph Layers to view and edit O 25 properties. Fill 20 . C 15 No Solution 10 @ N 6 8 O Q W E R T tab Y U O8:55 AM Tue Sep 20 webassign.net y-intercept ( x , y ) = ketch a graph of f. Graph Layers 30 After you add an object to the graph can use Graph Layers to view and 25 properties. O Fill 20 . C 15 No Solution 10 -10 Help WebAssign. Graphing Tool (d) Find the domain and range of f. (Enter your answers using interval notation.) domain range Need Help? Read It Watch It @ * # N W 4 6 9AM Tue Sep 20 webassign.net A quadratic function h is given. h (x) = 3 - 32x - 32x2 (a) Express h in standard form. h ( x ) = (b) Sketch a graph of h. y 20: X -4 -2 2 4 -4 -2 O -20 O-50 -100 O (c) Find the maximum or minimum value of f. f ( x ) = Is this a maximum or minimum value? maximum value minimum value Need Help? Read It 3. [2/4 Points] DETAILS PREVIOUS ANSWERS SPRECALC7 MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A quadratic function h is given. h (x) = 3 - 32x - 32x2 (a) Express h in standard form... . 56 AM Tue Sep webassign.net 8 5. [-/1 Points] DETAILS SPRECALC7 3. 1.509.XP.MI. MY NOTES ASK Find a function whose graph is a parabola with vertex (6, 8) and that passes through the point (5, -9). f ( x ) = Need Help? Read It Master It 6. [-/8 Points] DETAILS SPRECALC6 3.1.054. Find all local maximum and minimum values of the function whose graph is shown. local maximum at X = (smaller x-value) local maximum at X = larger x-value) local minimum at X = (smaller x-value) local minimum at X = (larger x-value) # % & * W A 6 88:56 AM Tue Sep 20 .. . webassign.net A -10 -20 O (c) Find the maximum or minimum value of h. h ( x ) = Is this a maximum or minimum value? maximum value minimum value Need Help? Read It Master It 4. [1/2 Points] DETAILS PREVIOUS ANSWERS SPRECALC7 3.1.044.MI. Find the maximum or minimum value of the function. g (x) = 2x(x - 4)+ 7 Is this a maximum or minimum value? maximum value minimum value Need Help? Read It Master it8:55 AM Tue Sep 20 MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A quadratic function f is given. f (x) = x2 - 18x +63 (a) Express fin standard form. f ( x ) = (b) Sketch a graph of f. y 106 50 - -100 -50 50 10 -50 O -100 y 100 50