Question

let f:A-B.find f(A),I. e., the range of f,if f is an onto function​

Answer 1

Answer:

f:A→B then B is range set.

f(x)=

x−2−2

x−3

−

x−2+2

x−3

⟹

(

x−3

−1)

2

−

(

x−3

+1)

2

⟹

x−3

−1−

x−3

−1

⟹−2

∴B∈[−2,0]