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lilinicholeb
10.07.2019 •
Mathematics
What is the inverse of the function 1/9x+2
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Ответ:
f − 1 ( x ) = 9 x − 18
Explanation:
To find the inverse or
f − 1 ( x ) of a function we solve the equation for x
So in this example, we can start by subtracting
2 from both sides: y − 2 = 1 9 x + 2 − 2
Next we multiply
9 to each side to isolate the variable x 9 ( y − 2 ) = 1 x 9 ⋅ 9 9 y − 18 = x
Since the function of a line is written in terms of y we can simply switch x and y and rewrite the equation to get: y = 9 x− 18 or f − 1 ( x ) = 9 x − 18
Ответ:
46
Step-by-step explanation:
We will use the BODMASS method
6+4×(3+7)
6+4×10
6+40
46
the final answer is 46