Posted by **Jon** on Wednesday, May 25, 2011 at 12:51pm.

If f(a)=K, then which of the following must be true?

f(K)=a

f inverse(k)=a

f inverse(a)=K

- Algebra -
**MathMate**, Thursday, May 26, 2011 at 9:46am
Properties of inverses:

If f(a)=K

then

1. f^{-1}(K)=a

2. f^{-1}(f(a))=a

... etc

None of the above answers is correct unless the second one says

f inverse(**K**)=a (i.e. uppercase K)

- Algebra -
**Anonymous**, Wednesday, December 2, 2015 at 6:03pm
If ƒ(x ) = 2x, then ƒ -1(x ) =

## Answer This Question

## Related Questions

- Advanced Algebra - What is the inverse of each of the functions defined by the ...
- Calculus, check my answers, please! 3 - Did I get these practice questions right...
- Algebra - what is the inverse of the linear parent function? How would you graph...
- PreCalc! - sketch a graph whose domain is the interval [0, infinity) but whose ...
- Math - Determine whether each equation is true for all x for which both sides of...
- Calculus - F(x) = 1-x and g(x) = 1/x These functions have the property that f = ...
- Linear Algebra - which of the following functions is the inverse of F(X)=3x F(X...
- Grade 11 Algebra 2/Trig - Given : f(x) = x^2 and g(x) = 2^x The inverse of g is ...
- Math / Algebra - Can you check my work? Thank you :) 1. The Domain of a function...
- Trigonometry - Having trouble with true/false questions in Trigonometry. They ...

More Related Questions