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LilFlamingo247
18.10.2019 •
Mathematics
Which statement is true about f(x)+2=1/6|x-3|?
a. the graph of f(x) has a vertex of (-3,2).
b. the graph of f(x) is horizontally compressed.
c. the graph of f(x) opens downward.
d. the graph of f(x) has range of f(x)_> -2.
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Ответ:
The range of f(x) is
and option D is correct.
Step-by-step explanation:
The given function is
It can be written as
The function is in the form of
Where, a is scale factor and (h,k) is vertex of the graph.
On comparing (1) and (2), we get
Therefore the vertex of f(x) is (3,-2). Option A is incorrect.
The value of a is
. So, the graph compressed vertically. The value of a is positive, therefore the graph of f(x) opens upward.
We know the absolute value is always greater than or equal to 0.
Therefore the range of f(x) is
and option D is correct.
Ответ: