Graph the quadratic function. Determine the vertex, find the equation of the axis of symmetry, find any x- and y-intercepts, and state the domain and range in interval notation.f(x) = x2 + 2x - 3
A. vertex: (-1, 4)
axis of symmetry: x = -1
x-intercepts: 1 and - 3; y-intercept: 3
domain: (-?, ?); range: (-?, 4]
B. vertex: (-1, -4)
axis of symmetry: x = -1
x-intercepts: 1 and - 3; y-intercept: -3
domain: (-?, ?); range: [-4, ?]
C. vertex: (1, -4)
axis of symmetry: x = 1
x-intercepts: -1 and 3; y-intercept: -3
domain: (-?, ?); range: [-4, ?]
D. vertex: (1, 4)
axis of symmetry: x = 1
x-intercepts: -1 and 3; y-intercept: 3
domain: (-?, ?); range: (-?, 4]
Answer: B
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+ 
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+ 
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+ 
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A. (0, 0) B. (-7, 0), (7, 0) C. (6, 0) D. (49, 0)
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C. 14
D. 