Question

find the domain and range of the function f(x)=√4x-x²​

Answer 1

Answer:

Domains:-4x−x2≤0x(4−x)≤xϵ[0,4]⇒x2−4x+a2=0[a>0]x=24±16−4a2 =1±1−a2 ⇒4−a2≤0⇒aϵ[0,2]=Range