Question

What is the inverse of the function below?

F(x) = x - 4

A. F -1(x) = -x + 4
B. F -1(x) = x - 4
C. F -1(x) = -x - 4
D. F -1(x) = x + 4

Answer 1

@Bobo-i-bo

Answer 2

What do you think and why?

Answer 3

i think A because -x is opposite of x and +4 is opposite of -4

Answer 4

@Bobo-i-bo

Answer 5

Do you know what it means for something to be the inverse of a function?

Answer 6

the opposite?

Answer 7

reflective?

Answer 8

Does this help: https://www.mathsisfun.com/sets/function-inverse.html ?

Answer 9

D?

Answer 10

You need this solved for a variable

Answer 11

how i do that

Answer 12

No i need to know what do you need this solved for, or you jsut need htis graphed?

Answer 13

Are you just guesssing @2kende ? Why do you think D?

Answer 14

i need to kno the inverse of that function

Answer 15

no i am not guessing i have to divide and add for the function?

Answer 16

well i am guessing but it educational guessing