Identify a transformation of the function ......... by observing the equation of the function .....................
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OpenStudy (howard-wolowitz):
\[f(x)= \sqrt[3]{x}\]
OpenStudy (howard-wolowitz):
\[g(x)=\sqrt[3]{x} + 56\]
OpenStudy (howard-wolowitz):
So that the first one and the second equation!
OpenStudy (howard-wolowitz):
A. A horizontal shift 56 units to the right.
B. A vertical shift 56 units downward.
C. A horizontal shift 56 units to the left.
D. A vertical shift 56 units upward.
OpenStudy (howard-wolowitz):
@iGreen.
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OpenStudy (howard-wolowitz):
@MARC_
OpenStudy (howard-wolowitz):
@Michele_Laino
OpenStudy (howard-wolowitz):
Hi!
OpenStudy (michele_laino):
Hi!
OpenStudy (howard-wolowitz):
Is this one clear?
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OpenStudy (michele_laino):
I think if I start from g(x), I have to traslate the graph of g(x) downward of 56 units in order to get the graph of f(x)
OpenStudy (howard-wolowitz):
So basically your thinking its B because you have to shift it downwrds right?
OpenStudy (michele_laino):
since I can write:
\[y - 56 = \sqrt[3]{x}\]
Now I perform this traslation:
\[\begin{gathered}
Y = y - 56 \hfill \\
X = x \hfill \\
\end{gathered} \]
and I get:
\[Y = \sqrt[3]{X}\]
which is the equation of f(x)
OpenStudy (howard-wolowitz):
So you are right then its B
OpenStudy (michele_laino):
yes!
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OpenStudy (howard-wolowitz):
because its the only one thats downward
OpenStudy (howard-wolowitz):
cool
OpenStudy (michele_laino):
please note that the origin of the new coordinate system, namely the system XY, is located at
x=0, and y= 56
OpenStudy (michele_laino):
|dw:1424181502816:dw|
Please note that your answer is D.
OpenStudy (howard-wolowitz):
ok no worry
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