Cut at the Vertex, Then Invert
Difficulty: Medium · Topics: Algebra, Functions, Inverse Functions
Uchidan kesing, so‘ng teskarisini oling
f(x)=x^2-4x+1 is one-to-one on [a, ∞). Take the smallest such a.
Find a+f^-1(13).
f(x)=x^2-4x+1 funksiya [a, ∞) da inyektiv. Eng kichik shunday a ni oling.
a+f^-1(13) ni toping.