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Ostrovityanka [42]
3 years ago
12

The x-intercept of the graph of f(x)= 3log(x-5)+2 is:

Mathematics
2 answers:
Mkey [24]3 years ago
8 0
Your answers we equal to 22
gregori [183]3 years ago
3 0

Answer: \frac{1}{e^{\frac{2}{3}}}+5 or 5.51

Step-by-step explanation:

The given function : f(x)= 3\log(x-5)+2

We know that , the x-intercept is the point on graph( basically intersection of graph and x-axis)  where y coordinate is zero.

I.e. for x-intercept of function , f(x) =0

i.e. 0= 3\log(x-5)+2

\Rightarrow\ \log(x-5)=\dfrac{-2}{3}

Taking exponent on both sides , we get

x-5=e^{\frac{-2}{3}}\\\\\Rightarrow\ x=e^{\frac{-2}{3}}+5\ \ or\ \ x=\dfrac{1}{e^{\frac{2}{3}}}+5

On simplification , \frac{1}{e^{\frac{2}{3}}}+5\approx5.51.

Hence , the x-intercept of the graph f(x)=      \dfrac{1}{e^{\frac{2}{3}}}+5 or 5.51.

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