Question: In problem, (a) Graph each quadratic function by determining whether its graph opens up or down and by finding its vertex, axis of symmetry, y-intercept,

In problem,

(a) Graph each quadratic function by determining whether its graph opens up or down and by finding its vertex, axis of symmetry, y-intercept, and x-intercepts, if any.

(b) Determine the domain and the range of the function.

(c) Determine where the function is increasing and where it is decreasing.

f(x) = (x + 1) 2 – 4

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