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Rom4ik [11]
2 years ago
11

What is the inverse function for h(x) =

{x+7} -1" alt="\sqrt{x+7} -1" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
Blizzard [7]2 years ago
5 0

Step-by-step explanation:

y =  \sqrt{x + 7}  - 1

Replace x and y.

x =  \sqrt{y + 7}  - 1

Solve for y.

x + 1 =  \sqrt{y + 7}

Square both sides.

(x + 1) {}^{2}  = y + 7

(x + 1) {}^{2}  - 7 = y

This is the inverse function or you can also say

{x}^{2}  + 2x - 6 = y

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