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Determine the implied domain of the function found in the first step. Express your answer in interval notation.

Determine the implied domain of the function found in the first step Express your answer in interval notation class=

Respuesta :

mreijepatmat
We can re-write the equation √(1-x) - 2y = 2 → - 2y = 2 - √(1-x)

→ 2y = - 2 + √(1-x) → and y = [ - 2 + √(1+x)]/2

Tis function "exists" as long as the radical is > or = to zero:
1+x > or = 0 → x>-1
{x ∈ R for x> =0}

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