A quadratic function f is given. f(x) = x2 – 4x (a) Express f in standard form. f(x) = (b) Find the vertex and x- and y-intercepts of f. (If an answer does not exist, enter DNE.) (x, y) = (| vertex x-intercepts (х, у) —D (smaller x-value) (х, у) %3D (larger x-value) y-intercept (x, y) = (| %3D (c) Sketch a graph of f. 10 Graph Layers Clear All 8 After you add an object to the graph you can use Graph Layers to view am edit its properties. Delete Fill 4 3 2 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 3 8 9 10 1 -1 2 4 5 -2 No Solution -3 -4 -5 -6 -7 -8 --9 10 O Help WebAssign. Graphing Tool (d) Find the domain and range of f. (Enter your answers using interval notation.) domain range

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