Consider the finite linear pattern: 20 ; 17 ; 14 ;… ; -103
3.1 Write down the 4th term of the pattern. (1)
3.2 Determine the expression for the nth term. (2)
3.3 Calculate the number of terms in the sequence. (2)
3.4 Which term is the first to have a negative value? (3)
3.5 What is the value of the 19th even-valued term in the sequence? (2)
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