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(Solved): 2. Consider the function f(x)=x2+2x8. Determine the following without using a calculator and gra ...
2. Consider the function f(x)=x2+2x−8. Determine the following without using a calculator and graph the function. (a) Find the y-intercept. Write it as an ordered pair. (b) Find the x-intercepts and write them both as ordered pairs. (c) Find the x-coordinate of the vertex, using the vertex formula. (d) Find the y-coordinate of the vertex and write the vertex as an ordered pair. (e) Give the equation of the axis of symmetry of f(x). (f) Give the domain and range of f(x). 1