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ozzi
3 years ago
15

Find the inverse function (on the given interval, if specified)

Mathematics
1 answer:
Zinaida [17]3 years ago
5 0

Step-by-step explanation:

f(x) = x² + 1, where x >= 0.

Let y be f(x).

=> y = x² + 1

=> x² = y - 1

=> x = √(y - 1) because x is non-negative.

Hence f^-1(x) = √(x - 1), where x >= 1.

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Use your device keyboard to enter x+1= 7 in the box.<br>Check Answer​
egoroff_w [7]
<h2>ANSWER:</h2>

_______________________________________________________

Answer is x = 6

_______________________________________________________

<h2>EXPLANATION:</h2>

_______________________________________________________

We know that 7 - 1 is 6. 6 is what x equals because 7 - 1 is 6 and 6 + 1 is equal to 7.

Hope this helps!

7 0
3 years ago
Help on this one as well ii manged to get an answer but If you understand it or im wrong an you please explain ! thank you !!
AnnZ [28]
Almost got it!

x + 3 = 3(y + 2)/2 [Multiplied both sides by 3]
so x + 3 = (3y + 6)/2
2(x + 3) = 3y + 6 [Multiplied both sides by 2]
2x + 6 = 3y + 6
2x = 3y [Subtracted 6 from both sides]
x = 3y/2 [Divided both sides by 2]
x/3 = y/2 [Divided both sides by 3]

So you wrote y/3 instead of y/2 
Hope this helped!
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lora16 [44]

Answer:

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Step-by-step explanation:

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