Express the radical using the imaginary unit, iii.

Express your answer in simplified form.

\pm\sqrt{-25}=\pm±

−25



=±plus minus, square root of, minus, 25, end square root, equals, plus minus

Step-by-step explanation:

To express the radical using the imaginary unit, we apply the following:

Since we can express the root of two product as a product of their roots:

step-by-step explanation:

for this pair of functions g(x)=x-2 and f(x)=|x| is (g o f)(a)= |a| -2

step-by-step explanation:

g(x)=x-2

f(x)=|x|

(g o f)(a)=?

(g o f)(x)=g(f(x))

(g o f)(x)=g(|x|)

(g o f)(x)=|x|-2

(g o f)(a)=|a|-2