Register
If f(x) = -5x - 11, then f-1(x) =
148k views
5 votes
If f(x) = -5x - 11, then f-1(x) =

User Alex Q
by
3.2k points

1 Answer

6 votes

Answer:

f^-1(x) = -1/5(x+11)

Explanation:

f(x) = -5x - 11

y = -5x - 11

Exchange x and y

x = -5y -11

Solve for y

x+11 = -5y-11+11

x+11 = -5y

Divide by -5

(x+11)/-5 = -5y/-5

-1/5(x+11) = y

f^-1(x) = -1/5(x+11)

User Alex Kopachov
by
3.7k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.6m questions

4.6m answers

Other Questions

A study was completed in Florida. In southern Florida, the study involved 3,000 patients; 54% of them experienced flulike symptoms during the same month. The study had a margin of error of 1.8%. What does
Solve for x in the equation 3 x squared minus 18 x + 5 = 47. (I need this to be an answer like X=3+\_ square root 23)
Can someone help me plz I have to Turn 27/9 in simplest
Simplify: 10 ÷ [(5 + 2) − 5]
A survey of 539 adults aged 18-24 year olds was conducted in which they were asked what they did last Friday night. It found: 189 watched TV 163 hung out with friends 29 watched TV and ate pizza, but did
Link Copied!