Given the parabola f(x)= x^{2}-2x-3 complete parts (1) through (3) below.
Find the vertex by averaging the x-intercepts.
Find the vertex by completing the square.
Find the vertex of f(x)= x^{2}+5x+2 using your method of choice.
What are the domain and range for f(x)=x^{2}+5x+2?
Equate f (x) to 0 and obtain the x-intercepts.
Consider p = 3 and q = –1 and the vertex can be obtaining by axis of symmetry.
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