Sequence and Function Notation

Write the recursive formula for 6, 17, 28, 39, 50....

• a_n=a_n-1+11
  a₁=6
• a_n=a_n-1-4
  a₁=6
• a_n=a_n-1+9
  a₁=6
• a_n=a_n-1+6
  a₁=6

What is the explicit formula that represents this sequence:
2, 8, 14, ...

• a_n = 2(6)^n-1
• a_n = 2 + 6(n-1)
• a_n = a_n-1 + 6
  a₁ = 2
• a_n = 6*a_(n-1)
  a₁ = 2
  

Tags

CCSS.HSF.BF.A.2

Find a₂₀ in the arithmetic sequence: 5, 12, 19, 26...

• 145
• 144
• 142
• 138

Tags

CCSS.HSF.BF.A.2

Write the explicit rule for this situation.

• f(n) = 35 + 3(n − 1)
• f(n) = 35 −3(n − 1)
• f(n) = 3 + 35(n − 1)
• f(n) = −3 + 35(n − 1)

Tags

CCSS.HSF.BF.A.1

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

CCSS.HSF.IF.B.4

CCSS.HSF.LE.A.2

In the recursive rule for the arithmetic sequence a_n =  a_{(n − 1)} + d, the (n − 1) represent the ________________.

• next term
• current term
• previous term
• first term

Tags

CCSS.HSF.BF.A.2

Given f(x) = -4x - 10 and f(x) = 10. Find x

• x = -5
• x = 5
• x = -50
• x = 30

For the function f(x) = -3(x-1) find f(0).

• 0
• -3
• 3
• -1

Tags

CCSS.HSF.IF.A.2

If h(a) = 3 - 2a

Find h(-3).

• 12
• -2
• -3
• 9

Tags

CCSS.HSF.IF.A.2

Given f(x) = -4x - 10 and f(x) = 30. Find x

• x = -10
• x = 10
• x = -50
• x = 30

Let w(x) = 2x+12. If w(x) = 92, find x.

• 7
• 40
• 35
• -49