(a)
\The polynomial function is
.
The definition of real zeros :
.


and 
and 
has no real values.


Thus, the function has no real zeros.
\ \(b)
\Find
-intercept substitute
in function.
The polynomial function is
.


and 
and 
has no real values.

has no real values.
Graph neither crosses nor touches the
-axis.
(c)
\The function has no real zeros.
\ \(d)
\The polynomial function is
.
Degree of the polynomial function
.
Maximum number of turning points is
.
The maximum number of turning points are
.
(e)
\The polynomial function is
.

The polynomial function of degree is
.
The function
behaves like
for large values of
.
(a) The function has no real zeros.
\(b) Graph neither crosses nor touches the
-axis.
(c) The function has no real zeros.
\(d) The maximum number of turning points are
.
(e) The function
behaves like
for large values of
.