Question

what is the first,fourth,and tenth terms of arithmetic described by the given rule a(n)=1 (n-1)(-4.1)

Answer 1

a(n) = 1 + (n - 1)(-4.1)

a(1) = 1 + (1 - 1)(-4.1) = 1

a(4) = 1 + (4 - 1)(-4.1) = 1+(3)(-4.1)=1 - 12.3 = -11.3

a(10) = 1 + (10 - 1)(-4.1) = 1 + (9)(-4.1) = 1 - 36.9 = -35.9