Question

If f(x)=x^(2)+5x+6 ; then find f and f^(-1)​

Answer 1

Answer:

2x−5 for 2<x<3

f(x)=∣x 2−5x+6∣,

f ′ (x)=?f(x)=∣(x−2)(x−3)∣

f(1)=∣1−5+6∣=2

So in (2,3) it is negative

⇒f(x)=(5x−x 2+6) in (2,3)f ′(x)=5−2x for (2<x<3).