Pleas help me i neeed it is it caculus i am smart but a little confused if u type but no help u get ban For problems 14 – 21 determine all the roots of the given function. y
(
t
)
=
40
+
3
t
−
t
2
f
(
x
)
=
6
x
4
−
5
x
3
−
4
x
2
Z
(
p
)
=
6
−
11
p
−
p
2
h
(
y
)
=
4
y
6
+
10
y
5
+
y
4
g
(
z
)
=
z
7
+
6
z
4
−
16
z
f
(
t
)
=
t
1
2
−
8
t
1
4
+
15
h
(
w
)
=
w
4
w
+
5
+
3
w
w
−
8