meredith48034
meredith48034 meredith48034
  • 15-04-2020
  • Mathematics
contestada

find a formula for a geometric sequence that begins with 7, 35, 175,...​

find a formula for a geometric sequence that begins with 7 35 175 class=

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BasketballEinstein
BasketballEinstein BasketballEinstein
  • 15-04-2020

Answer:

○ b. [tex]\displaystyle b_n = 7(5)^{n - 1}[/tex]

Step-by-step explanation:

The original term is "7", the common ratio is "5", and finally, you set the exponent to the power of "n - 1".

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amna04352
amna04352 amna04352
  • 15-04-2020

a = 7

r = 35/7 = 5

a × r^(n-1)

7 × 5^(n-1)

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