What is the inverse of the given relation y = 4x - 8
2 answers:
To find the inverse of any function, switch the x's with y's and vice versa.
The current equation given is ![y=4x-8](https://tex.z-dn.net/?f=%20y%3D4x-8%20)
Switch the
with
and switch the
with ![y](https://tex.z-dn.net/?f=y)
After doing so, we'll have the following equation:
![x=4y-8](https://tex.z-dn.net/?f=%20x%3D4y-8%20)
Now, let's move the variables around so that y is isolated on the left side again.
Subtract both sides by 4y
![x-4y=-8](https://tex.z-dn.net/?f=%20x-4y%3D-8%20)
Subtract both sides by x
![-4y=-8-x](https://tex.z-dn.net/?f=%20-4y%3D-8-x%20)
Divide both sides by -4
![y= \dfrac{x}{4}+2](https://tex.z-dn.net/?f=%20y%3D%20%5Cdfrac%7Bx%7D%7B4%7D%2B2%20)
That is the answer.
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Y=4/x+2 is the inverse of the relation
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Step-by-step explanation:
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Answer:
30° and 110°
55° and 85°
70°and 70°
Step-by-step explanation:
Given that :
Angle B = 40°
Sum of angles in a triangle :
Angle (A + B + C) = 180°
A + 40 + B = 180
A + C = 180 - 40
A + C = 140°
From the Given options ;
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30° and 110° = 140°
55° and 85° = 140°
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Surface area of the cylinder is 399.4. Work shown in image.