Use the function f(x) to answer the questions: f(x) = 4x – 7x – 15 Part A: What are the x-intercepts of

Use the function f(x) to answer the questions:

f(x) = 4x – 7x – 15
Part A: What are the x-intercepts of the graph of f(x)? Show your work.
Part B: Is the vertex of the graph of f(x) going to be a maximum or a minimum? What are the coordinates of the vertex? Justify your answers and show
your work.
Part C: What are the steps you would use to graph f(x)? Justify that you can use the answers obtained in Part A and Part B to draw the graph.

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