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carlosiscr7
06.10.2019 •
Mathematics
Which equation is the inverse of y = 9x2 - 4?
x = 2√x +4
v
ivx+4
y=+ v +4
y +vx+4
Solved
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Ответ:
The inverse will be:
Step-by-step explanation:
In order to find the inverse of the equation, we do a variable change, since we are finding the inverse, :
Now solve for y'.
First add 4 in both sides of the equation and change to the left y'.
Second divide by 9
Now you will have to clear y, with the square root.
Simplifying terms
You can check the answer by doing the evaluation of the following equation:
(f o
) (x)
substitute the equation for y' or inverse function![f^{-1}](/tpl/images/0292/3481/11428.png)
f(
)
Now substitue the value into f(x)
You will have
=x
Ответ:
I dont have my calculator
Step-by-step explanation:
help