Find the zeros for each polynomial function and give the multiplicity for each zero. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each zero. f (z) = z +7x2 - 4x-28 %3D O x-2: has multiplicity 1, and it touches the x-axis. x-2: has multiplicity 1, and it touches the x-axis. x-7: has multiplicity 1, and it touches the x-axis. O x-2: has multiplicity 3, and it crosses the x-axis. x-2: has multiplicity 3, and it crosses the x-axis. x-7: has multiplicity 3, and it crosses the x-axis. O x-2: has multiplicity 1, and it crosses the x-axis. x--2: has multiplicity 1, and it crosses the x-axis. x-7: has multiplicity 1, and it crosses the x-axis. O x-2: has multiplicity 1, and it crosses the x-axis. x--2: has multiplicity 2, and it touches the x-axis. x--7: has multiplicity 2, and it touches the x-axis.
Find the zeros for each polynomial function and give the multiplicity for each zero. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each zero. f (z) = z +7x2 - 4x-28 %3D O x-2: has multiplicity 1, and it touches the x-axis. x-2: has multiplicity 1, and it touches the x-axis. x-7: has multiplicity 1, and it touches the x-axis. O x-2: has multiplicity 3, and it crosses the x-axis. x-2: has multiplicity 3, and it crosses the x-axis. x-7: has multiplicity 3, and it crosses the x-axis. O x-2: has multiplicity 1, and it crosses the x-axis. x--2: has multiplicity 1, and it crosses the x-axis. x-7: has multiplicity 1, and it crosses the x-axis. O x-2: has multiplicity 1, and it crosses the x-axis. x--2: has multiplicity 2, and it touches the x-axis. x--7: has multiplicity 2, and it touches the x-axis.
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter4: Polynomial And Rational Functions
Section4.2: Polynomial Functions
Problem 39E
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Transcribed Image Text:Find the zeros for each polynomial function and give the multiplicity for each zero. State whether
the graph crosses the x-axis, or touches the x-axis and turns around, at each zero.
f (z) = a + 7z - 4x - 28
%3D
O x=2: has multiplicity 1, and it touches the x-axis.
x-2: has multiplicity 1, and it touches the x-axis.
x-7: has multiplicity 1, and it touches the x-axis.
O x-2: has multiplicity 3, and it crosses the x-axis.
x-2: has multiplicity 3, and it crosses the x-axis.
x=-7: has multiplicity 3, and it crosses the x-axis.
x-2: has multiplicity 1, and it crosses the x-axis.
x--2: has multiplicity 1, and it crosses the x-axis.
X--7: has multiplicity 1, and it crosses the x-axis.
O x-2: has multiplicity 1, and it crosses the x-axis.
x--2: has multiplicity 2, and it touches the x-axis.
X-7: has multiplicity 2, and it touches the x-axis.
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