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sinx
cosx
cosx
-sinx
tanx
sec2x
cscx
-cscxcotx
secx
secxtanx
cotx
-csc2x
What are you doing if you plug a point into a derivative?
Finding the slope of the tangent line at that point
Difference quotient
limit as h approaches 0 of (f(x+h) - f(x))/h
Question gives you point on the original function. What does that mean?
The tangent line of the original function (aka, f’(x) goes through this point. The slope of the tangent line is what you get when you plug in this point to the derivative function.
What is the significance of a y-value you get after plugging an x value into the tangent line?
It means that point is on the original function.
MVT
if function is differentiable on the open interval and continuous on the closed interval then there is a value between A < K < B that is equal to the average rate of change is equal to the derivative of f’(K)
IVT
if function is continuous on the closed interval and A < B then there is a value K between A < K B that is equal to F(A) < F(K) < F(B)
FTC PART 1
the derivative of an integral gives the function inside the integral; inverse operations
FTC PART 2
the integral of f(x) from bound a to bound b where b>a is F(b) - F(a)
Squeeze theorem
if the limit of two functions, g(x) and h(x), equal the same thing and g(x) < f(x) < h(x) then the limit of f(x) exists and is also equal. g(x) and h(x) must be continuous.
EVT
if a function is continuous on the closed interval then there is a maximum and minimum
particle moves left
velocity is negative
particle moves right
velocity is positive
particle is speeding up
velocity and acceleration signs are the same
particle is slowing down
velocity and acceleration signs are different
AROC
IROC
average value
conditions for continunity
f(a) exists
the limit as x approaches a of f(x) exists
the two are equal
what does it mean for a limit to exist
limit value from left and right have to be equal
POI
first derivative changes from inc to dec or dec to inc
when second derivative changes signs
rel min
first der test says it changes from neg to pos
second der test says it is positive
rel max
first der test says it changes from pos to neg
second der test says its negative
absolute extrema
of the interval: if x=a is the only relative extrema on that interval
of the function: when x=a is the most extreme value
revolving over a line
dx if the line is parallel to x-axis
dy if line is parallel to y-axis
Radius for revolving around a line DX
line - radius
Radius for revolving around a line DY
radius - line
cross sections with shapes
cross sections perpendicular to x axis DX
cross sections perpendicular to y axis DY
Left reiman sum
underestimate when increasing, overestimate when decreasing
Right reiman sum
overestimate when increasing, underestimate when decreasing
midpoint reiman sum
only depends on concavity
concave up - underestimate
concave down - overestimate
trapezoid reiman sum
only depends on concavity
concave up - overestimate
concave down - underestimate
Reiman sum sigma notation
view pic
integral of sec2x
tanx
integral of csc2x
-cotx
integral of secxtanx
secx
integral of cscxcotx
-cscx
integral of 1/sqrt 1-x²
Inverse sin, inverse cos if negative
integral of 1/1+x²
Inverse tan, inverse cot if negative
Integral of 1/ |x| times sqrt of x² -1
inverse sec, inverse csc if negative
integral of ex
ex
integral of bx
(bx) / ln(b)
integral of 1/x
ln|x|
ln’(x)
1/x times derivative of x
log’(x)
1/xlna times derivative of x
a= base
derivative of bx
bx times ln(b)
derivative of ex
ex times ln(e)
derivative of (f-1) ‘ x
1/f ‘ y