Asked by Spring Allergies
Look at the sequence in this table
n 1 2 3 4 5 ...
An -1 1 3 5 7 ...
Which function represents the sequence?
A) an = an - 1 + 1
B) an = an - 1 + 2
C) an = 2an - 1 -1 ***
D) an = 2an -1 - 3
n 1 2 3 4 5 ...
An -1 1 3 5 7 ...
Which function represents the sequence?
A) an = an - 1 + 1
B) an = an - 1 + 2
C) an = 2an - 1 -1 ***
D) an = 2an -1 - 3
Answers
Answered by
Reiny
notice that the values of a<sub>n</sub> increase by 2
so we need something like ?? = ?? + 2
there is only one such pattern and it is B
It should have been:
a<sub>n</sub> = a<sub>n-1</sub> + 2, a<sub>1</sub> = -1 , n>1
that last part must be included, or else the sequence has no start
so we need something like ?? = ?? + 2
there is only one such pattern and it is B
It should have been:
a<sub>n</sub> = a<sub>n-1</sub> + 2, a<sub>1</sub> = -1 , n>1
that last part must be included, or else the sequence has no start
Answered by
Spring Allergies
I know I might be late to tell you this, but thank you so much!
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