(a)
\The function is and the inverse function is
.
The Domain of is equal to the range of
and the range of
is equal to the domain of
.
Find the domain and range of .
The function is .
The domain of a function is all possible - values.
Domain of a linear function is always all real numbers.
\Domain in interval notation .
Domain of is
.
(b)
\Range of linear function is all real numbers.
\Range of in interval notation
.
Domain of is
.
Range of is
.
(c)
\Draw a coordinate plane.
\Graph the functions and
.
Graph :
\.
(d)
\The functions are and
.
First derivative is slope of the function.
\Consider .
Differentiate the function with respect to .
Consider .
Differentiate the function with respect to .
Observe the two slopes, the slopes of and
are reciprocal at the points
and
.
(a)
\Domain of is
and domain of
is
.
(b)
\Range of is
and range of
is
.
(c)
\(d)
\The slopes of and
are reciprocal at the points
and
.