Qui26
e?
a)
yC0SX
=
x
2
+
y2
EY
(eY(**)
=
0
-
1
=
0
soy'(x)
=
0
·Yos*
yl-sin2
e
b)
tan-y)
=
x
+
xy2
Lu
=
y(x)
ser
has
no
value
of
which
dX
y
=
2
x
+
ysinx
8
·(u)(ixy)x"
8
1
+
y21
+
x2y
e
will
=
0
103x-2y
&xYy2
*
It
y2
+
2
6)
f(x)
=
45,x)-tan-1(x)
e
ins
as
Y"-14e
t
(1tX2)
(xY(1+x4y))
-2xy
(multiply
get
rid
of
=
1
+
xyz
+
y2
+
xYyY
-
zxy
E
Fraction)
X
2
-2xy
-
2x3y3
*
The
rate
on
the
quiz
e)
volume:
I
r
f)
15
ft
was
in
14
or/sec
Wasn't
sure
what
to
use
rate
of
change
=
Ecresmin()
y
=
?
but
414
$14
felt
very
large
&
the
formating
seemed
need
to
find
didt
&
diameter:
20cm
like
it
may
have
meant
by
x
=
10
which
makes
more
sense
*
*5r2
=
412
-
2
=
4N/187
=
I
but
quiz
makes
it
unclear
U
(constants)
L
r
=
0.0039 8
pythagoren
=
x
2
+
yz
=
15
-
10
+
y2
=
treat
as
y'essentially
2x()
+
2y(8)
=
0
y
=
12y
->
y
=
11.1803
or
Y80π
crymin
2(10)(Y)
+
2y(22)
=
0
2y()
=
-
-
-
-
ros
y
=
02
e
