Question: In Problems 8 and 9: (a) Determine whether the graph is concave up or concave down. (b) Determine the vertex of the graph of the

In Problems 8 and 9:

(a) Determine whether the graph is concave up or concave down.

(b) Determine the vertex of the graph of the quadratic function.

(d) Determine the intercepts of the graph of the quadratic function.

(e) Use the information in parts (a)–(d) to graph the quadratic function.

(f) Based on the graph, determine the domain and the range of the quadratic function.

(g) Based on the graph, determine where the function is increasing and where it is decreasing.

f (x) = 3x² − 12x + 4

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