What is the domain of f(x) = sqrt(x^2 - 4)

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

Will possibly give brainliest and a high rating. choose the linear inequality that describes the graph. the gray area represents the shaded region. 4x + y > 4 4x – y ≥ 4 4x + y < 4 4x + y ≥ 4