Show:
Questions
Responses
Print
An Integral Part of Memory
Derive This
Partially Implicit
Sketchy Business
Bits & Pieces
100
The rule of for integrating: ∫x
n
dx
x
n+1
/
(n+1)
+c
100
d
⁄
dx
e
x
e
x
100
z
x
if z=4xy+2x+y
2
z
x
=4y+2
100
Given the sign graph of f'(x), describe what happening at each critical value:
HPI at x=-3
Max at x=0
Min at x=2
100
Evaluate ∫x dx on [1,3]
4
200
The rule of for integrating: ∫
1
/
x
dx
ln|x|+c
200
The Product Rule
d
⁄
dx
u*v = u*v'+v*u'
200
z
xx
if z=x
3
-5y
2
+4y+1
z
xx
=6x
200
If f(x)=x
4
(x-5) and f'(x)=5x
3
(x-4), what are the critical points?
(0,0) and (4, -256)
200
lim
x to inf.
1-x
/
x
2
+3
0
300
The formula for integration by parts
∫u dv = uv-∫v du
300
How to find average cost, given C(x)
Average cost =
C(x)
⁄
x
300
Differentiate implicitly to find
dy
⁄
dx
2y
2
=x
2
-5
dy
⁄
dx
=
x
⁄
2y
300
The critical values of f(x)=x
3
-3x
2
+3x+1
x=1
300
Set up u, dv, du, v for Integration by parts for ∫xlnx dx
u= lnx du=1/x dx
dv=x v=x
2
/2
400
The formula for Producer's surplus
x
e
p
e
-∫s(x)dx (from 0 to x
e
400
The Quotient Rule.
d
⁄
dx
u
⁄
v
=
(v*u'-u*v')
/
v
2
400
z
xy
if z= x
2
y - 4xy
2x-4
400
the Horizontal and Vertical asymptotes of
y=
x
2
+4
/
x
2
HA: y=1 VA: x=0
400
If C(x)=x
2
-x, and R(x)=50x, then the Marginal Profit is ________
MP=51-2x
500
Simpson's rule for 6 subintervals
(
h
/
3
)[f(x
0
)+4f(x
1
)+2f(x
2
)+4f(x
3
)+2f(x
4
)+4f(x
5
)+f(x
6
)]
500
The Definition of a Derivative
lim
h to 0.
(f(x+h)-f(x))
/
h
500
Differentiate Implicitly to find
dy
/
dx
if
xy
2
=8
-y
/
2x
500
If f(x)=x
3
-x
2
and f'(x)=3x
2
-x, where are the points of inflection?
X=
1
/
6
500
The Equation of the Tangent Line at (1,2) of y=x
3
+5x
2
-4
y=13x-9