Recursive Formula for Sequences

{8,12,16,20,24, …}

{-15,-19,-23,-27,-31, …}

{-3,-12,-48,-192,-768, …}

{1, 2, 3, 5, 8, …}

Growth, 75%

Growth, 25%

Decay, 75%

Decay, 25%

a_n=a_n-1-7

a_n=a_n-1-4

a_n=a_n-1+3

a_n=a_n-1+4

a_n=a_n-1-4

a_n=a_n-1+3

a_n=a_n-1-5

a_n=a_n-1+4

f(n) = f(n-1) +4

f(n) = 2n - 5

a_n = 2(11)^n-1

a_n = 11x 2

a_n = 11(2)^n-1

a_n = 2a_n-1

$$f\left(1\right)=-5$$   

$$f\left(n\right)=f\left(n-1\right)-10$$  

$$f\left(1\right)=-5$$  

$$f\left(n\right)=f\left(n-1\right)+10$$  

$$f\left(-5\right)=1$$  

$$f\left(n\right)=f\left(-5\right)-10$$  

$$f\left(1\right)=11$$   

$$f\left(n\right)=f\left(n-1\right)+5$$  

$$f\left(1\right)=11$$  

$$f\left(n\right)=f\left(n-1\right)+4$$  

$$f\left(11\right)=1$$  

$$f\left(n\right)=f\left(11\right)+4$$  

$$t_1=30$$   

$$t_n=t_{n-1}+10$$  

$$t_1=10$$  

$$t_n=t_{n-1}+30$$  

$$t_n=10$$  

$$t_1=t_{n-1}+30$$  

first term

and

last term

first term

and

common difference

previous term

and

final term

none of these