231k views
2 votes
*
Find the rule of the inverse function

y = 2x + 4

2 Answers

4 votes
f^-1(x)=x/2+2. i did the math
User Fitzbutz
by
8.3k points
6 votes

Answer:

Explanation:

The inverse is found by interchanging the x and y of the original and then solving for y.

y = 2x + 4 Interchange x and y

x = 2y + 4 Subtract 4 from both sides

x - 4 = 2y Divide the entire equation by 2

x/2 - 4/2 = 2y/2

x/2 - 2 = y or

y = x/2 - 2

User Ryan Barrett
by
7.1k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories