3 years ago

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

Mathematics

2 answers:

Eddi Din [679]3 years ago

7 0

Answer:

y = -2+ $\sqrt{x}$ and y = -2 - $\sqrt{x}$ combined, or $x = y^2 + 4y + 4$

Step-by-step 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 = $(y+2)^2$

± $\sqrt{x}$ = y+2

y = -2± $\sqrt{x}$

y = -2+ $\sqrt{x}$ and y = -2 - $\sqrt{x}$ combined

Scilla [17]3 years ago

6 0

Answer:

The answer is C

Step-by-step explanation:

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