Chapter3: Functions
Section: Chapter Questions
Problem 30RE: For the following exercises, use the graphs to determine the intervals on which the functions are...
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Sub parts
e. , f. , and g.
Transcribed Image Text:For the function f(x) = - 2x - 6x + 8
Write the function in vertex form: (x) = a(x -h)' + k
a.
b.
Find the vertex
c.
Identify the x- and y-intercepts
y-int
d.
Describe the concavity
the cancave is dewn. The funchiin as
a mafimun ol y< 8 .
Find all intervals upon which the graph is increasing/decreasing
e.
Increasing:
Decreasing:
f.
Describe the end behavior as x→ 0o and x- - 0,
h(x)
using your answers from parts a-d only. You may need to
Graph
change your answers from part d into decimals.
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