3 years ago

Y=x2-4 what is the answer?

Mathematics

1 answer:

Brut [27]3 years ago

4 0

Answer:

x=√y+4 or x=−√y+4

Step-by-step explanation:

Step 1: Add 4 to both sides.

x2−4+4=y+4

x2=y+4

Step 2: Take square root.

x=√y+4 or x=−√y+4

You might be interested in

Given g(x) = 3x + 3 , find g(k)

xxTIMURxx [149]

Answer:

3k+3

Step-by-step explanation:

6 0

3 years ago

1.<br> What is misleading about the graph?<br> "MASSIVE INCREASE IN<br> HOUSE PRICES THIS YEAR!”

sergiy2304 [10]

There is no graph to support the statement and so, this invisible graph is misleading :)

8 0

2 years ago

Pls help due ASAP <br> Show workings please!!!

Vlad [161]

Answer:

AB=8

Step-by-step explanation:

First, you get figure out x. Since both sides are equal, use the equation x+3=2x-2, then subtract x from both sides, 3=x-2, and then add 2 to both sides, x=5. Then use one of the equations to get the length of the side, I used x+3=8, which is your answer.

(hope this helps :P)

5 0

3 years ago

Consider the function attached below

Masja [62]

Answer:

Step-by-step explanation:

Hello,

$x=(fof^{-1})(x)=f(f^{-1}(x))=\sqrt{2f^{-1}(x)}+5\\\sqrt{2f^{-1}(x)} =x-5\\2f^{-1}(x)=(x-5)^2\\f^{-1}(x)=\dfrac{(x-5)^2}{2}$