In problem, (a) Graph each quadratic function by determining whether its graph opens up or down and
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, 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) = x2 + 2x – 8
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a For fx x 2 2x 8 a 1 b 2 c 8 Since a 1 0 the graph opens up The xcoordinate of the vertex i...View the full answer
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