The piecewise function is .
(a)
\All possible values of for which the function is mathematically correct is the domain of a function.
The domain of is all real numbers.
(b)
\Find the intercepts.
\Find the -intercepts by substituting
.
If then the function is
.
Substitute in above function.
There is no -intercept.
If then the function is
.
Substitute in above function.
-intercept is
.
Find the -intercept by substituting
.
The function is not defined at
.
The function is defined at
.
-intercept is
.
(c)
\Draw the table of different values of for
.
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Graph :
\1). Draw a coordinate plane.
\2). Plot the points found in the table and connect the plotted points
\3). Label the intercept points.
\
(d)
\All possible values of is range of a function.
Observe the graph: The range of function is all real numbers.
\The range in interval notation .
(e)
\The function is discontinuous at .
\
(a) The domain of is all real numbers.
(b) Intercept is .
(c) Graph of the function :
(d) The range in interval notation .
\
(e) The function is discontinuous at .