Question

A(n) = a + (n - 1)d
what are the defintions to this function/
1.common difference
2.number of the nth term
3.value of the first term
4.value of the nth term

Answer 1

for each n you insert in the equation... you get a value of nth term
A(1) = a ( value of 1st term)
A(2) = a+d ( value of 2nd term)
and so on...
need more explanation?

Answer 2

i think we have to make each subject to the equation