Calculus Examples

Graph f(x) = natural log of natural log of x
f(x)=ln(ln(x))f(x)=ln(ln(x))
Step 1
Find the asymptotes.
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Step 1.1
Set the argument of the logarithm equal to zero.
ln(x)=0ln(x)=0
Step 1.2
Solve for xx.
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Step 1.2.1
To solve for xx, rewrite the equation using properties of logarithms.
eln(x)=e0eln(x)=e0
Step 1.2.2
Rewrite ln(x)=0ln(x)=0 in exponential form using the definition of a logarithm. If xx and bb are positive real numbers and b1b1, then logb(x)=ylogb(x)=y is equivalent to by=xby=x.
e0=xe0=x
Step 1.2.3
Solve for xx.
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Step 1.2.3.1
Rewrite the equation as x=e0x=e0.
x=e0x=e0
Step 1.2.3.2
Anything raised to 00 is 11.
x=1x=1
x=1x=1
x=1x=1
Step 1.3
The vertical asymptote occurs at x=1x=1.
Vertical Asymptote: x=1x=1
Vertical Asymptote: x=1x=1
Step 2
Find the point at x=2x=2.
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Step 2.1
Replace the variable xx with 22 in the expression.
f(2)=ln(ln(2))f(2)=ln(ln(2))
Step 2.2
The final answer is ln(ln(2))ln(ln(2)).
ln(ln(2))ln(ln(2))
Step 2.3
Convert ln(ln(2))ln(ln(2)) to decimal.
y=-0.36651292y=0.36651292
y=-0.36651292y=0.36651292
Step 3
Find the point at x=3x=3.
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Step 3.1
Replace the variable xx with 33 in the expression.
f(3)=ln(ln(3))f(3)=ln(ln(3))
Step 3.2
The final answer is ln(ln(3))ln(ln(3)).
ln(ln(3))ln(ln(3))
Step 3.3
Convert ln(ln(3))ln(ln(3)) to decimal.
y=0.09404782y=0.09404782
y=0.09404782y=0.09404782
Step 4
Find the point at x=4x=4.
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Step 4.1
Replace the variable xx with 44 in the expression.
f(4)=ln(ln(4))f(4)=ln(ln(4))
Step 4.2
The final answer is ln(ln(4))ln(ln(4)).
ln(ln(4))ln(ln(4))
Step 4.3
Convert ln(ln(4))ln(ln(4)) to decimal.
y=0.32663425y=0.32663425
y=0.32663425y=0.32663425
Step 5
The log function can be graphed using the vertical asymptote at x=1x=1 and the points (2,-0.36651292),(3,0.09404782),(4,0.32663425)(2,0.36651292),(3,0.09404782),(4,0.32663425).
Vertical Asymptote: x=1x=1
xy2-0.36730.09440.327xy20.36730.09440.327
Step 6
image of graph
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