What are the first four terms of the sequence r(n)=4.5n-8 ?

1 Answer
Jan 18, 2018

The first four terms are -3.5, 1, 5.5, 10

Explanation:

To solve this, simply plug 1, 2, 3, and 4 into the original function.

r(1)=4.5(1)-8=-3.5

r(2)=4.5(2)-8=1

r(3)=4.5(3)-8=5.5

r(4)=4.5(4)-8=10

So, the first four terms are -3.5, 1, 5.5, 10