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Tems11 [23]
3 years ago
13

Which expression is equivalent to -3(2b + 9) + 5(-5b + 6)?​

Mathematics
1 answer:
Anna71 [15]3 years ago
5 0

Answer:

_31b+3

Step-by-step explanation:

_3(2b+9)+5(_5b+6)

_6b_27_25b+30

_6b_25b+30_27

_31b+3

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Answer:

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Step-by-step explanation:

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3 years ago
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Write the inverse of f(x) = 3^x - 1
NeTakaya

The inverse of this function would be f(x) = \frac{Log(x - 1)}{Log3}.


You can find the value of any inverse function by switching the f(x) and the x value. Then you can solve for the new f(x) value. The end result will be your new inverse function. The step-by-step process is below.


f(x) = 3^{x} - 1 ----> Switch f(x) and x


x = 3^{f(x)} - 1 ----> Add 1 to both sides


x + 1 = 3^{f(x)} -----> Take the logarithm of both sides in order to get the f(x) out of the exponent


Log(x + 1) = f(x)Log3 ----> Now divide both sides by Log3


\frac{Log(x - 1)}{Log3} = f(x) ----> And switch the order for formatting purposes.


f(x) = \frac{Log(x - 1)}{Log3}


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