Respuesta :

musiclover10045

Replace x with i

f(i) = 1-i

Because i is in the formula, it is a complex number with a real number = 1 and an imaginary number = -1

The modulus of f(i) = |1-i| =

sqrt[1^2+(-1)^2] = sqrt(2)

The answer would be: StartRoot 2 EndRoot

Matthew41Jones

Answer:

Its C.

Step-by-step explanation:

Cause it is

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