Question

if f:r -----> (8,∞) defined by f(x) = x^2 +8 then find f^-1(x)​

Answer 1

Answer In The Attachment

Hope It Helps

Answer 2

If AP:PB=1:2 then AP:AB will be 1:3.

So, in similar triangles, the ratio of the area of ΔABCΔAPQ=(31)2=91