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natulia [17]
3 years ago
10

Need help with this please

Mathematics
1 answer:
dlinn [17]3 years ago
5 0

Answer:

c

Step-by-step explanation:

A negative function is when the graph is below the x axis.

When x < 0, the function is negative.

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pychu [463]

Answer:

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Step-by-step explanation:

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<em>Note: Ln means Log_e</em>

<em />

Now, lets start with the equation:

ln(2x) + ln(2) = 0\\ln(2x) = -ln(2)

Writing left side with logarithmic base e, we have:

Log_{e}(2x) = -ln(2)

We can now use the property shown below to make this into exponential form:

Log_{a}b=x\\means\\a^x=b

So, we write:

Log_{e}(2x) = -ln(2)\\e^{-ln(2)}=2x

We recognize another property of exponentials:

a^{bc}=(a^{b})^{c}

So, we write:

e^{-ln(2)}=2x\\(e^{ln(2)})^{-1}=2x

Also, another property of natural logarithms is:

e^{(ln(a))}=a

Now, we simplify:

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This is the answer.

7 0
3 years ago
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