First slide
Functions (XII)
Question

Let f be a real-valued invertible function such that f2x-3x-2=5x-2,x2. Then the value of f-113 is

Moderate
Solution

Wehavef2x-3x-2=5x-2orf-15x-2=2x-3x-2Let5x-2=13.Thenx=3Hence,f-113=23-33-2=3.

Get Instant Solutions
When in doubt download our app. Now available Google Play Store- Doubts App
Download Now
Doubts App