Answer
$11,18,25,32$
Work Step by Step
Need to find the first four terms of $a_n=7n+4$ when $n=1,2,3,4$ Thus, $a_1=7(1)+4=11$ ;
$a_2=7(2)+4=18$;
$a_3=7(3)+4=25$ ;
$a_4=7(4)+4=32$
Hence, the first four terms are: $11,18,25,32$
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