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VCabral1134
 one year ago
Help me plz will fan and medal!
Write a recursive rule for the sequence.
a^n = −9+ 2n
a. a^1 = −9,a^n = a^n − 1 − 9
b. a^1 = −9,a^n = a^n − 1 + 2
c. a^1 = −7,a^n = a^n − 1 − 9
d. a^1 = −7,a^n = a^n − 1 + 2
VCabral1134
 one year ago
Help me plz will fan and medal! Write a recursive rule for the sequence. a^n = −9+ 2n a. a^1 = −9,a^n = a^n − 1 − 9 b. a^1 = −9,a^n = a^n − 1 + 2 c. a^1 = −7,a^n = a^n − 1 − 9 d. a^1 = −7,a^n = a^n − 1 + 2

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VCabral1134
 one year ago
Best ResponseYou've already chosen the best response.0I eliminated C and D.

Saurabh135
 one year ago
Best ResponseYou've already chosen the best response.1d is the correct answer

Saurabh135
 one year ago
Best ResponseYou've already chosen the best response.1see if we put n=1 in above equation, then a^1 will be equal to 9+2*1 = 7

Saurabh135
 one year ago
Best ResponseYou've already chosen the best response.1and if we put n1 instead of n in above equation then a^n1 = 9 + 2*(n1) = 9 + 2n 2 and subtracting these equations we get a^n  a^n1 = 2 which implies a^n = a^n1 + 2
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