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 + 4x
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a For f x x 2 4x a 1 b 4 c 0 Since a 1 0 the graph opens down The xcoordinate of the vertex ...View the full answer
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