I believe the answer is 4x + 8. you multiply 4 by x which makes 4x. Than you multiply 4 by 2, making 8.
Answer:
the correct answer is A.
Step-by-step explanation:
Hope it will help you..
C: 4 is the right answer
Step-by-step explanation:
Given
a1 = -3
a15 = 53
We know that explicit formula for the arithmetic sequence is:

For the 15th, term it will be

Adding 3 on both sides

Dividing both sides by 14

Hence,
C: 4 is the right answer
Keywords: Arithmetic sequence, Common Difference
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