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1. Percentage Change
• % Change = (current value - reference value)
•                            (reference value)
2. Percent Change - Income
• % Δ = (It - I0)
•                      X 100
•             (I0)
3. Revenue =
Revenue = Price  X  Quantity
4. Own Price Elasticity
• ε= % Δ Qi                             (Q2 - Q1)   x100
•                                  OR                (Q1)
•         % Δ P
•                                          (P2 - P1)  x100
•                                             (P1)
5. Logarithm:

logb (AB) =
logb (A) + logb (B)
6. Logarithm:

logb (A/B) =
logb (A) - logb (B)
7. Logarithm:

logb (A)n =
nlogb (A)
8. Logarithm:

logb (b) =
1
9. Logarithm:

logb (bA) =
A
10. Logarithm:

blogb(x) =
X
11. Logarithm:

logb (1) =
0
12. Logarithm:

log10 (-200) =
undefined - no negatives allowed
13. Logarithm:

log10 (0) =
undefined - no zeros allowed
14. Sigma Notation:

Σ=x2
x1 + x2 + x3 + x4 ....
15. Sigma Notation:

(Σ=x1)2 =
(x1 + x2 + x3 + x4 ...)2
16. Sigma Notation:

Σ=(x - 1)2 =
(x1 - 1)2 + (x2 - 1)2 + (x3 - 1)2 + (x4 - 1)2 ....
17. Sigma Notation:

Σ=3x2 =

3(Σx2) =
((x1)2 X 3) + ((x2)2 X 3) + ((x3)2 X 3) ...

3 (x12 + x22 + x32 + x42 ...)
18. Sigma Notation:

(Σx)(Σy) =
(x1 + x2 + x3 + x4 ...)(y1 + y2 + y3 + y4 ...)
19. Sigma Notation:

Σ xy =
(x1y1) + (x2y2) + (x3y3) + (x4y4) ...
20. Simple Price Index:
• It = (Pt)
•                 X 100
•       (P0)
21. Aggregate Price Index:
• It = (ΣPt)
•                  X 100
•       (ΣP0)
22. Weighted Aggregate Index:
Laspeyres Index

Puasche Index
23. CPI:
• (CPIt)
• P0   X               = Pt
•             (CPI0)
24. Slope-Intercept:
y = mx + b
y = ax2 + bx + c
26. Vertex:
• x =    -b                     (-b)
•                        y = f
•         2a                     (2a)
• x =      -b ± √b2 - 4ac
•
•                   2a
• 1.  Find Vertex
• 2.  Find "y" intercept
• 3.  (#1, #2) = vertex
29. How to find intercepts:
• x =      -b ± √b2 - 4ac
•
•                    2a
30. Cost Equation:
Cost = fixed cost + variable cost
31. Profit Equation:
Profit = revenue - cost
32. Exponential Function:
y = f(x) = Ab(x)

• A = starting amount
• b = change factor (if <1, exponential decay: if >1, exponential growth)
• x = measure of time
33. Future Value Equation:
FV = PV (1 + r)t

• FV = future value
• PV = present value
• r = interest rate
• t = time
34. Compounding Future Value:
FV = PV (1 + r/n)nt

n = number of times a year
35. Continuous Compounding Future Value:
FV = Pert

• r = interest rate
• t = time
36. Instantaneous Rate of Change:
• Let "h" = x2 - x1
• x1 + h = x2

f(x1 + h) - f(x1)
37. Limit Definition of a Derivative:
• dy            limit           f(x + h) - f(x)
•                h = 0
• dx                                    h
38. Average Rate of Change:
• 1. Create Table with x1 y1 & x2 y2
• 2. Calculate - change in y / change in x

### Card Set Information

 Author: karlihill10 ID: 235998 Filename: Business Analysis Updated: 2013-09-20 18:57:18 Tags: BANA Test Folders: Description: Business Analysis ~ Test 1 Show Answers:

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