Formulas math Ch7

Question 1

Exponential growth function

Answer 1

when b>1

Question 2

Exponential decay function

Answer 2

0<b<1

Question 3

Equation for exponential growth

Answer 3

y= a(1+r)^t

Question 4

Equation for exponential decay

Answer 4

y= a (1-r)^t

Question 5

Compound interest equation

Answer 5

A=p(1+ r/n) ^nt

Question 6

find the nth term in a geometric sequence

Answer 6

a_n= a_1 (r)^n-1

Question 7

recursive formula arithmetic sequence

Answer 7

a_1= ? a_n=a_n-1 + d n≥2

Question 8

recursive formula geometric sequence

Answer 8

a_1= ? a_n= r (a_n-1) n≥2

Question 9

explicit formula arithmetic sequence

Answer 9

a_n= a_1 + (n-1)d

Question 10

explicit formula geometric sequence

Answer 10

a_n=a_1 (r)^n-1