Explicit Formulas

Use the explicit formula to find the first four terms of the sequence.
 $a_n=3+5\left(n-1\right)$  

• 3, 15, 75, 375

• 3, 8, 13, 18

• 5, 8, 11, 14

• 5, 15, 45, 135

Tags

CCSS.HSF.BF.A.2

Use the explicit formula to find the first four terms of the sequence.
 $a_n=9\cdot4^{\left(n-1\right)}$  

• 4, 36, 324, 2916

• 9, 36, 144, 576

• 9, 13, 17, 21

• 4, -5, -14, -23

Tags

CCSS.HSF.BF.A.2

Use the explicit formula to find the 7th term of the sequence.
 $a_n=22-3\left(n-1\right)$  

• 4

• 1

• 18

• 114

Tags

CCSS.HSF.BF.A.2

Use the explicit formula to find the 5th term of the sequence.
 $a_n=3\cdot2^{\left(n-1\right)}$  

• 24

• 7,776

• 48

• 96

Tags

CCSS.HSF.BF.A.2

Use the explicit formula to find the 3rd term of the sequence.
 $a_n=128\cdot\left(\frac{1}{2}\right)^{\left(n-1\right)}$  

• 64

• 32

• 16

• 8

Tags

CCSS.HSF.BF.A.2

Find the first four terms of the sequence.

a_n= 6n - 1

• 6, 12, 18, 24

• 5, 11, 17, 23

• 0, 6, 12, 18

• 6, 7, 8, 9

Tags

CCSS.HSF.BF.A.2

What is the 15th term of the sequence an = -3n+50

• 95
• -5
• 5
• -95

Tags

CCSS.HSF.BF.A.2

Find the first four terms of the sequence.

a_n= 3(4)ⁿ

• 12, 48, 192, 768

• 12, 144, 1728, 20736

• 12, 24, 36, 48

• 3, 12, 48, 192

Tags

CCSS.HSF.BF.A.2