Intercept with axis

F(x)=log(x+4)-2, what is the x intercept

Correct answer:

x =  96

Step-by-step explanation:

$$\begin{gathered} F(x)=\log (x+4)-2 \\ F(x)=0 \\ \log (x+4)-2=0 \\ \log (x+4)=2 \\ x+4=10^2 \\ x=10^2-4=96 \end{gathered}$$

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Dr Math

Assuming "log" is the decadic logarithm (log with base 10)

3 years ago  Like

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