For the quadratic function f(x) = 7x² + 14x + 1, answer parts (a) through (c). Verify the results using agraphing utility.(a) Graph the quadratic function by determining whether its graph opens up or down and by findingits vertex, axis of symmetry, y-intercept, and x-intercepts, if any.The graph off opensThe vertex of fis(Type an ordered pair.)The axis of symmetry is(Type an equation.)Determine the y-intercept. Select the correct choice below and, if necessary, fill in the answer box tocomplete your choice.OA. The y-intercept is(Type an integer or a decimal.)OB. There is no y-intercept. For the quadratic function f(x) = 7x² + 14x+1, answer parts (a) through (c). Verify the results using a graphing utility.Determine the x-intercept(s). Select the correct choice below and, if necessary, fill in the answer box to complete yourchoice.OA. The x-intercept(s) is/are(Type an integer or a decimal rounded to two decimal places as needed. Use a comma to separate answersas needed.)B. There is no x-intercept.Use the graphing tool to graph the function.Click toenlargegraph(b) Determine the domain and the range of the function.The domain off is(Type your answer in interval notation.)The range of fis(Type your answer in interval notation.)(c) Determine where the function is increasing and where it is decreasing.The function is increasing on the interval-(Type your answer in interval notation.)The function is decreasing on the interval.16-12-म-12-4120A

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For the quadratic function f(x) = 7x² + 14x + 1, answer parts (a) through (c). Verify the resu graphing utility. (a) Graph the quadratic function by determining whether its graph opens up or down and b its vertex, axis of symmetry, y-intercept, and x-intercepts, if any. The graph off opens The vertex of fis (Type an ordered pair.)