Asked by Emily
State the inverse of the following function, AND state the Domain and Range of the inverse. f(x)=x-2
Answers
Answered by
oobleck
f(x) = x-2
f^-1(x) = x+2
check to be sure f(f^-1(x)) = f^-1(f(x)) = x
As with all polynomials, the domain is all real numbers.
The line is not horizontal, so it extends up and down forever. so the range is also all reals.
f^-1(x) = x+2
check to be sure f(f^-1(x)) = f^-1(f(x)) = x
As with all polynomials, the domain is all real numbers.
The line is not horizontal, so it extends up and down forever. so the range is also all reals.
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