4+sqrt(4+x^2)=x, I need to isolate

I need to find the inverse function of f(x)=sqrt(x^2+2x), where x>oThis is as far as I got: x=sqrt(y^2+2y) How in the world am I
1. 1 answer
2. asked by Anne
3. 739 views
Evaluate sqrt7x (sqrt x-7 sqrt7) Show your work.sqrt(7)*sqrt(x)-sqrt(7)*7*sqrt(7) sqrt(7*x)-7*sqrt(7*7) sqrt(7x)-7*sqrt(7^2)
1. 1 answer
2. asked by Alexa
3. 3,217 views
Use the equation to find the length of the missing leg measure.a^(2) + 16^(2) = 20^(2) 1. Evaluate the powers: a^(2) + _ = 400
1. 1 answer
2. 36 views
sqrt 6 * sqrt 8also sqrt 7 * sqrt 5 6.92820323 and 5.916079783 So you can see the steps — sqrt 6 * sqrt 8 = sqrt 48 sqrt 7 *
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2. asked by Tina
3. 752 views
Which of the following measurements could be the side lengths of a right triangle?A. /sqrt{126}in, /sqrt{54} in, /sqrt{63}in B.
1. 1 answer
2. asked by Optional
3. 106 views
Find the distance between these two points using the Pythagorean Theorem.Which choice is correct? (1 point) sqrt(6 ^ 2) + 3 ^ 2
1. 1 answer
2. asked by Connexus_solver
3. 81 views
(- 3, 5)X (7, - 1) Find the distance between these two points using the Pythagorean Theorem. Which choice is correct? (1 point)
1. 1 answer
2. 93 views
When I solve the inquality 2x^2 - 6 < 0,I get x < + or - sqrt(3) So how do I write the solution? Is it (+sqrt(3),-sqrt(3)) or
1. 0 answers
2. asked by Jen
3. 1,295 views
Put the steps in order used to simplify the expression below sqrt(28) + 3sqrt(63) (5 points) equiv sqrt 4*7 +3 sqrt 9*7; equiv
1. 1 answer
2. 56 views
1)Find the exact value of cos 105 by using a half-angle formula.A)sqrt 2 - sqrt 3 /2 B)-sqrt 2 - sqrt 3 /2 C)-sqrt 2 + sqrt 3 /2
1. 7 answers
2. asked by Jon
3. 3,595 views