The sequence is defined recursively. Write the first four terms.a1 = y; an = an-1 + R
A. a1 = R, a2 = R + y, a3 = R + 2y, a4 = R + 3y
B. a1 = y, a2 = y - R, a3 = y - 2R, a4 = y - 3R
C. a1 = y, a2 = y + R, a3 = y + 2R, a4 = y + 3R
D. a1 = y, a2 = R, a3 = 2R, a4 = 3R
Answer: C
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