Arithmetic Sequences

Write an explicit formula for each recursive formula.
A(n)=A(n-1)+12; A(1)=12

• A(n)=12-(n+1)12
• A(n)=12+(n-1)12
• A(n)=12+(n+1)12
• A(n)=12-(n-1)12

Write an explicit formula for each recursive formula.
A(n)=A(n-1)+3.4; A(1)=7.3

• A(n)=3.4+(n-1)7.3
• A(n)=7.3-(n+1)3.4
• A(n)=7.3+(n-1)3.4
• A(n)=3.4-(n+1)7.3

Write an explicit formula for each recursive formula.
A(n)=A(n-1)+3; A(1)=6

• A(n)=6+(n-1)3
• A(n)=3+(n-1)6
• A(n)=6-(n-1)3
• A(n)=3-(n-1)6

Write an explicit formula for each recursive formula.
A(n)=A(n-1)-0.3; A(1)=0.3

• A(n)=0.3-(n-1)(-0.3)
• A(n)=-0.3+(n-1)0.3
• A(n)=0.3+(n-1)-0.3
• A(n)=0.3+(n-1)(-0.3)

Write a recursive formula for each explicit formula.
A(n)=5+(n-1)3

• A(n)=A(n-1)+3
• A(n)=A(n-1)+5
• A(n)=A(n-1)-3
• A(n)=A(n-1)-5

Write a recursive formula for each explicit formula.
A(n)=3+(n-1)(-5)

• A(n)=A(n-1)+5
• A(n)=A(n-1)-5
• A(n)=A(n-1)+3
• A(n)=A(n-1)-3

Write a recursive formula for each explicit formula.
A(n)=-1+(n-1)(-2)

• A(n)=A(n-1)+2
• A(n)=A(n-1)+1
• A(n)=A(n-1)-2
• A(n)=A(n-1)-1

Write a recursive formula for each explicit formula.
A(n)=4+(n-1)1

• A(n)=A(n-1)+1
• A(n)=A(n-1)-1
• A(n)=A(n-1)+4
• A(n)=A(n-1)-4