Answer:
Step-by-step explanation:
f(x) = - 4√x
1) the domain : x ≥ 0 : D= [0;+∞[
2) the rang of : f is the domain of the inverse
y = -4 √x calculate x ..... ( x ≥ 0)
y ≥ 0 : y² = ( -4 √x )²
y² = 16 x
x = y²/16
the inverse is : g(x) = x²/ 16 .... x ≥ 0 the range is : D= [0;+∞[ ( same domain)