SOLUTION: the function given by f(x)=3x converts x yards to feet a. is f a one-to-one function? why or why not? b. Find f-1(x) and interpet what it calculates (the -1 actually looks lik

Question 599356: the function given by f(x)=3x
converts x yards to feet
a. is f a one-to-one function? why or why not?
b. Find f-1(x) and interpet what it calculates
(the -1 actually looks like a negative 1 exponent but I couldnt figure out to type it in that way
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
a) Is a one-to-one function?
Yes it s because for every value of the independent variable (that's x) the function (f(x)) yields a unique value.
b) If find
First replace with and write:
Now exchange the x and y.
Solve for y.
Finally, replace with

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