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Find the inverse of the function.
y = x2 + 4x + 4

2 Answers

3 votes

Answer:

y = -2+
√(x) and y = -2 -
√(x) combined, or
x = y^2 + 4y + 4

Explanation:


y = x^2 + 4x + 4

substitute y for x and x for y


x = y^2 + 4y + 4

this is technically the inverse but I will simplify further

x =
(y+2)^2

±
√(x) = y+2

y = -2±
√(x)

y = -2+
√(x) and y = -2 -
√(x) combined

User David Valenza
by
7.6k points
2 votes

Answer:

The answer is C

Explanation:

User Tkroman
by
8.2k points

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