Ask a New Question

Let f(x) = (3x - 7)/(x + 1). Find the inverse f^(-1)(x).

1 answer

x = (3y-7)/(y+1)

x + xy = 3y - 7

3 y - x y = x+7

y (3-x) = (x+7)

y = -(x+7)/(x-3)

Ask a New Question or answer this question.

Similar Questions

1. Let f(x)=x^5 + 2x^3 + x - 1Find f^-1(3) and (f^-1)'(3)? I have zero idea how to find the inverse of this function at a point
1. 1 answer
Find inverse of f if f(x)= x^2-4x+3, (for x is smaller than and equal to 2).First prove that f(x) is one to one in the defined
1. 1 answer
If f(x)=cosx + 3how do I find f inverse(1)? Thanks y = cos(x) + 3 the inverse of this is x = cos(y) + 3 solve for y and you have
1. 0 answers
Answers to the Inverse Relations and Functions Practice, cause I couldn't find it anywhere.1. A relation is given in the table
1. 7 answers

more similar questions