Find the vertex, the y-intercept, and the x-intercepts (if any exist), and graph the function.f(x) = -x2 + 2x + 3
A. 
Vertex (- 1, 4);
x-int = (-3,0) and (1, 0);
y-int = (0, 3)
B. 
Vertex (1, 4);
x-int = (-3,0) and (1, 0);
y-int = (0, 3)
C. 
Vertex (1, - 4);
x-int = (-1,0) and (3, 0);
y-int = (0, 3)
D. 
Vertex (1, 4);
x-int = (-1,0) and (3, 0);
y-int = (0, 3)
Answer: D
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