Question

Find the nth term of the following arithmetic sequence.
f(1) = -7, d=3, n = 17

Answer 1

f(n)=17+3(n-1)

f(17)=65

Explanation:

arithmetic sequences are in form:

f(n)=f(o)+d(n-1)

f(1)=17=f(0)

f(n)=17+3(n-1)

f(17)=17+3(16)=65