Linear Functions/Finance Flashcards
1
Q
Cost Func
A
C = mx+b
m: cost per item
b: fixed costs
x: number of items produced
2
Q
Revenue Func
A
R = mx+b
m: sales price
b: usually 0
3
Q
Profit
A
P = R - C
4
Q
Break Even
A
C = R
or
P = O
5
Q
Simple Interest
A
A = P ( 1 + rt )
6
Q
Compound Interest
A
A = P ( 1 + r/m ) ^mt
7
Q
Save $ w/ regular investment
A
A = PMT ( 1 + r/m ) ^mt - 1)
———————–
r/m
8
Q
Empty account w/ regular withdrawal or payment loan
A
A = PMT ( 1 - (1+ r/m ) ^ -mt )
———————–
r/m
9
Q
Continuous Compound Interest
A
A = Pe ^rt
10
Q
Standard Form
A
Ax + By = C
11
Q
Slope Intercept
A
y = mx + b
12
Q
Point Slope
A
y - y1 = m (x - x1)
