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kogti
[31]
2 years ago
11
Find the x-coordinate of the point on the graph of y=x^2 where the tangent line is parallel to the secant line that cuts the cur
ve at x=-1 and x=2
Please how do you solve this?
Mathematics
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1
answer:
jek_recluse
[69]
2 years ago
4
0
First find the secant line. The slope of the secant line through
(when
) and
(when
) is the average rate of change of
over the interval
:
The tangent line to
will have a slope determined by the derivative:
Both the secant and tangent will have the same slope when
, or when
.
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