Graph the given equation. Find the vertex, axis of symmetry, and intercepts.y = x2 + 2x - 3

A. vertex: (1, - 4)
axis of symmetry: x = 1
x-intercepts: -1 and 3; y-intercept: -3

B. vertex: (- 1, - 4)
axis of symmetry: x = - 1
x-intercepts: -3 and 1; y-intercept: -3

C. vertex: (- 1, 4)
axis of symmetry: x = - 1
x-intercepts: -3 and 1; y-intercept: 3

D. vertex: (1, 4)
axis of symmetry: x = 1
x-intercepts: -1 and 3; y-intercept: 3

Answer: B

Mathematics

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Find the extreme values of the function and where they occur.y =

A. The maximum is 3 at x = 0; the minimum is  at x = -2.
B. The maximum is  at x = 0; the minimum is - 1 at x = -2.
C. The maximum is -  at x = 0; the minimum is 1 at x = -2.
D. None