Write the explicit formula for the following sequence.
2, 5, 8, 11, ...
2 answers:
Answer:
add by 3
Step-by-step explanation:
11-8=3, 8-5=3, 5-2=3
Answer:
First let's first find the common difference
d = 5 - 2 = 3
First term a = 2
The formula is
U(n) = a + (n - 1)d where n is the number of terms
= 2 + (n - 1)3
= 2 + 3n - 3
= 3n - 1
Hope this helps.
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