Geometric Sequence Function

we found this value by multiplication previous non-zero constant ( hint ; it is also called r )

• common ratio

• common factor

• exonential growth

• the term in the sequence

Find the first four terms of the sequence given the rule:
a_n = 4(5)^n-1

• 20, 100, 500, 2500

• 5, 20, 80, 320

• 4, 20, 100, 500

• 4, 9, 14, 19

Find a₁₂ in the sequence -1, -3, -9, -27, ...

• -177,147

• -19,683

• -59,049

• 118,098

If a table's pattern is that the f(x) values are being divided by 3, what is the common ratio?

• 3

• -3

• 1/3

• -1/3

What is the common ratio(multiplier) for the sequence: 3, 15, 75...

• 12

• 1/5

• 5

Identify the y-intercept (initial value) in the function f(x)=13(.27)^x

• (.27)^x
• .27
• 13
• 3.51

Find the general rule for: 64, -32, 16, -8, …  

• a_n = 64(1/2)^n-1

• a_n = (-32)^n-1

• a_n = 64(-1/2)^n-1

• a_n = (32)^n-1

What is the pattern you see in this table?

• Common Ratio = 1/3

• Common Difference = 8

• Common Ratio = 3

• Common difference = 3

Write the explicit formula for the geometric sequence.

Given the function, f(x) = 6.5(0.85)^x, identify the initial value.

• 6.5

• 0.85

• x

• f(x)