%3D The slope of a tangent line to f(x) at x = a can be found using the formula lim fx) - f(a) X - a mtan In this situation, the function is f(x) and a = VE 36 36 %3D

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Chapter3: Functions
Section3.3: More On Functions; Piecewise-defined Functions
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The slope of a tangent line to f(x) at x = a can be found using the formula
mtan = lim fx) – f(a)
X — а
%3D
In this situation, the function is f(x) = V xr
and a = 36
36
VI
Part 2 of 4
Therefore, we have
f(x) – f(a)
X — а
mtan = lim
V 36
lim
X 36
X - 36
- 6
lim
X 36
VI
%3D
X - 36
Part 3 of 4
Using the factorization x – 36 = (/x – 6)(/x + 6), we have
Vx - 6
mtan
lim
x→36 (Vx - 6)(/x + 6)
1
lim
X36
Enter a fraction, integer, or exact decimal. Do not approximate.
Submit
Skin luou connot come bock)
e Type here to search
O
梦 メ
II
Transcribed Image Text:The slope of a tangent line to f(x) at x = a can be found using the formula mtan = lim fx) – f(a) X — а %3D In this situation, the function is f(x) = V xr and a = 36 36 VI Part 2 of 4 Therefore, we have f(x) – f(a) X — а mtan = lim V 36 lim X 36 X - 36 - 6 lim X 36 VI %3D X - 36 Part 3 of 4 Using the factorization x – 36 = (/x – 6)(/x + 6), we have Vx - 6 mtan lim x→36 (Vx - 6)(/x + 6) 1 lim X36 Enter a fraction, integer, or exact decimal. Do not approximate. Submit Skin luou connot come bock) e Type here to search O 梦 メ II
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