2 years ago

2x-12 2 1 3 Find the value of x.

Mathematics

1 answer:

Maslowich2 years ago

5 0

The value of x is 6hhhhh

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The function (f) is given by <img src="https://tex.z-dn.net/?f=f%28x%29%3De%5E%28x-11%29%20-8" id="TexFormula1" title="f(x)=e^(x

Vitek1552 [10]

$f(x)=e^{x-11}-8\to y=e^{x-11}-8\ \ \ \ |add\ 8\ to\ both\ sides\\\\e^{x-11}=y+8\\\\\ln e^{x-11}=\ln(y+8)\iff x-11=\ln(y+8)\ \ \ \ |add\ 11\ to\ both\ sides\\\\x=\ln(y+8)+11\\\\a)\ \boxed{f^{-1}(x)=\ln(x+8)+11}\\\\b)\ The\ domain\ of\ f^{-1}(x):\\\\x+8 > 0\to \boxed{x > -8\to x\in(-8;\ \infty)}$

7 0

3 years ago

Solve the equation.<br><br> 4^2x – 5 = 64

KiRa [710]

X= 4.3125 or x= 4.313

7 0

3 years ago

Read 2 more answers

949 nearest 10 and 100

stellarik [79]

The nearest 10 is 50 and the the nearest hundred is 900

6 0