Newton Bright
05/10/2023 · Elementary School
Graph the quadratic function \( f(x)=-4 x^{2}-48 x-140 \). Give the (a) vertex, (b) range. Then determine (e) the largest open interval of the domain over whic and (f) the largest open interval over which the function is decreasing. (a) The vertex is (Type an ordered pair.)
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(a) Vertex: (-6, 4)
(b) Range: (-∞, 4]
(e) Domain: (-∞, ∞)
(f) Decreasing interval: (-∞, -6)
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