What is the equation of this graph?
1 answer:
Answer:
y = x³ +2x² +x -1
Step-by-step explanation:
The attachment shows the four points we can read from the graph and the cubic regression function that fits them.
y = x³ +2x² +x -1
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<em>Additional comment</em>
It is useful to become familiar with the regression function capability of your graphing calculator or spreadsheet. Free or inexpensive apps are available for tablet or phone, and on the web.
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Answer:
Step-by-step explanation:
The derivative of an addition/subtraction of terms is the addition/subtraction of the derivatives of these terms.
The derivative of a constant is 0.
The derivative of is
. The derivative of
is
, for example.
The derivative of the ln function:
If we have:
The derivative is
In this problem, we have that:
So and
So the derivative to this function is