Formulas math Ch7 Flashcards
1
Q
Exponential growth function
A
when b>1
2
Q
Exponential decay function
A
0<b<1
3
Q
Equation for exponential growth
A
y= a(1+r)^t
4
Q
Equation for exponential decay
A
y= a (1-r)^t
5
Q
Compound interest equation
A
A=p(1+ r/n) ^nt
6
Q
find the nth term in a geometric sequence
A
a_n= a_1 (r)^n-1
7
Q
recursive formula arithmetic sequence
A
a_1= ? a_n=a_n-1 + d n≥2
8
Q
recursive formula geometric sequence
A
a_1= ? a_n= r (a_n-1) n≥2
9
Q
explicit formula arithmetic sequence
A
a_n= a_1 + (n-1)d
10
Q
explicit formula geometric sequence
A
a_n=a_1 (r)^n-1
