Graph the parabola and give its vertex, axis, x-intercepts, and y-intercepts.f(x) = x2 + 2x + 1

A. vertex (-1, 1); axis is x = -1;
no x-intercepts; y-intercept is 2

B. vertex (-1, 0); axis is x = -1;
x-intercept is -1; y-intercept is 1
 
C. vertex (1, 0); axis is x = 1;
x-intercept is 1; y-intercept is 1
 
D. vertex (1, 1); axis is x = 1;
no x-intercepts; y-intercept is 2
 


Answer: B

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