change
f(x2)-f(x1)=output
%change
new-old/old*100%=%
average roc
f(x2)-f(x1)/x2-x1
roc
f(x2)/f(x1)
compound continously
f=pe^rt
simple intrest
f=p(1+r*t)
compound intrest
f=p(1+r/n)^n*t
lim algebretically
f(x+h)-f(x)/h
lim numerically
f(x)-fh)/x-a
chain rule
f’g(x)*g’(x)
product rule
1’2+2’1
Quotient rule
lohi’-hilow’/lo^2
linearization
f’(a)(x-a)+f(a)
A=
amplitude
b=
period
c=
horizontal shift
d=
AVG value
amplitude=
max-min/2
period=
count lenth/b = 2pie/period
Horizontal shift +
count(right + left -) c=hs*b
max and min
max=d+a, min = d-a
formula for periodic function
f(x)asin(bx+c)+d