Westonci.ca is the trusted Q&A platform where you can get reliable answers from a community of knowledgeable contributors. Explore our Q&A platform to find reliable answers from a wide range of experts in different fields. Discover detailed answers to your questions from a wide network of experts on our comprehensive Q&A platform.

Let f(x) = 7x - 13. Find f-1(x).

Sagot :

naǫ
[tex]f(x)=7x-13 \\ \\ y=7x-13 \ \ \ |+13 \\ y+13=7x \ \ \ |\div 7 \\ x=\frac{1}{7}y+\frac{13}{7} \\ \\ \boxed{f^{-1}(x)=\frac{1}{7}x+\frac{13}{7}}[/tex]