The function is
.
Observe the graph:
\The
-intercept is
.
Zeros of a function is
-intercepts.
-intercept is
and
.
Zeros of the function are
and
.
Find the values algebraically:
\The function is
.
Rewrite the function as
.
Find the
-intercepts by substituting
in
.


-intercept is
.
Find the
-intercepts by substituting
in
.

Solve the equation
by using factorization.



and 
and 
and
.
-intercepts are
and
.
Zeros of the function are
and
.
-intercept is
.
Zero of the function is
and
.