Which of the following pairs of functions are inverses of each other?

a. f(x)= x/6 + 8 and g(x)= 6x-8
b. f(x)= 5x-11 and g(x) = x+11/ 5
c. f(x)= 2+ 3 square root x and g(x)= 2-x^3
d. f(x)= 7/x - 9 and g(x) =x+9/7

Question

Which of the following pairs of functions are inverses of each other?

a. f(x)= x/6 + 8 and g(x)= 6x-8
b. f(x)= 5x-11 and g(x) = x+11/ 5
c. f(x)= 2+ 3 square root x and g(x)= 2-x^3
d. f(x)= 7/x - 9 and g(x) =x+9/7

clamin · Answer

@Jaynator495 @pooja195 @Marie1738 @mathstudent55 @bunnielover948

fortytherapper · Answer

Do you know how to find inverses? We can go over one if you want. Any answer choice you wanna try out?

solomonzelman · Answer

In general,  $\color{#000000}{    \displaystyle f^{-1}(x)=g(x)      }$  iff  $\color{#000000}{    \displaystyle f\left[g(x)\right]=g\left[f(x)\right]= x     }$.

clamin · Answer

My answer is B @fortytherapper

clamin · Answer

@ganeshie8