Find the first, fourth, and tenth terms of the arithmetic sequence described by the given rule. is it a, b,c or d?

The answer is B.

Step-by-step explanation:

Plug in 1, 4, and finally 10 in for n. You'll get 5, 5 1/2, and finally 6 1/2.

5

5 1/2

6 1/2

Step-by-step explanation:

Let n=1

a1 = 5+(1-1)*(1/6)

a1 = 5

Let n=4

a4 = 5+(4-1)*(1/6)

a4 = 5 +3(1/6)

a4 = 5+1/2 = 5 1/2

Let n=10

a10 = 5+(10-1)*(1/6)

a10 = 5 +9(1/6)

a4 = 5+3/2 = 5 + 1 1/2 = 6 1/2

i'm not entirely sure

step-by-step explanation:

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