How do you write the first five terms of the sequence #a_n=5n-3#?

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Answer 1 · 2018-05-20T20:16:55

See below

Put in #n# the natural number that indicate his order

#a_1=5·1-3=2#

#a_2=5·2-3=7#

#a_3=5·3-3=12#

#a_4=5·4-3=17#

#a_5=5·5-3=22#

Note that each term obteined has a constant difference of 5

#2+5=7#
#7+5=12# and so on

Is an arithmetic sequence with first term 2 and difference 5