How do you write the first five terms of the sequence defined recursively #a_1=15, a_(k+1)=a_k+3#? Precalculus Sequences Infinite Sequences 1 Answer sjc Feb 9, 2017 #15,18,21,24,27# Explanation: #a_1=15# #a_(k+1)=a_k+3# #a_1=15# #a_2=a_1+3=15+3=18# #a_3=a_2+3=18+3=21# #a_4=a_3+3=21+3=24# #a_5=a_4+3=24+3=27# Answer link Related questions What is a sequence? How does the Fibonacci sequence relate to Pascal's triangle? What is the Fibonacci sequence? How do I find the #n#th term of the Fibonacci sequence? How do you find the general term for a sequence? How do find the #n#th term in a sequence? What is the golden ratio? How does the golden ratio relate to the Fibonacci sequence? How do you determine if -10,20,-40,80 is an arithmetic or geometric sequence? How do you determine if 15,-5,-25,-45 is an arithmetic or geometric sequence? See all questions in Infinite Sequences Impact of this question 1276 views around the world You can reuse this answer Creative Commons License