Answer to Question #42991 in Calculus for shasha

Question

Find the vertex of the graph of the function.

f(x) = (x + 4)2 - 1

help me please

Answer 1

The vertex form of a quadratic function is given by
f (x) = a(x - h)² + k, where (h, k) is the vertex of the parabola. Therefore we get the vertex is (-4;-1).