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công thức toán 3 chương đầu - Coggle Diagram
công thức toán 3 chương đầu
chương 3
Average cost
A'(q)=C'(q)-A(q)/q
Price elasticity of demand: E(p)
(-p/d)xq'(p)
Max profit
R'=C'
Elasticity
E(p)>1
R'<0
Revenue decrease
f"(x)
inflection point
Inelastic
E(p)<1
R'>0
Revenue increase
Unit elasticity
E(p)=1
R'=0
Revenue max?
chương 1
Revenue
(number of items sold)x(price per item)
Cost function
Supply function
Demand function
Profit function
R(x)-C(x)
Average cost function
AC(x)=(C(x))/x
Average revenue function
AR(x)=((R(x))/x
Average profit function
AP(x)=((P(x))/x
PAY ATTENTION TO THE UNIT
Slope
y2-y1/x2-x1=tan=m
Break-even point
R(x)=C(x)
chương 2
The chain rule
C'(t)=C'(q)xq'(t)
Marginal cost: C'(x0)
C'(x0+1) - C'(x0)
a(t)=v'(t)
Marginal revenue: R'(x0)
v(t)=s'(t)
Marginal profit: P'(x0)
Percentage rate of change
100xQ'(x)/Q(x)
Percentage change in f
100xf'(x)xdeltax/f(x)
Rate of change
Q'(x)/Q(x)