Respuesta :
Answer:
Step-by-step explanation:
hello :
the domain is : D = R = =]-∞;+∞[ ( all numbers reals)
let : f(x) = y
y = x² - 5
x² = y+5
x exist : y + 5 ≥ 0
y ≥ - 5
so : the inverse is [-5;+∞[
Answer:
Step-by-step explanation:
hello :
the domain is : D = R = =]-∞;+∞[ ( all numbers reals)
let : f(x) = y
y = x² - 5
x² = y+5
x exist : y + 5 ≥ 0
y ≥ - 5
so : the inverse is [-5;+∞[