Question

Use the graph of the function f(x) = (x + 1)² + 2. Identify the vertex and

the axis of symmetry.

Answer 1

1. Vertex: f(x)=x^2+2x+3
=> a=1 b=2
=> x=-2/2*1 => x=-2/2
=> x=-1
=> (-1,2)

2. Axis of symmetry: x=-1