Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Find the first four terms of the sequence defined by the explicit formula
u
n
=
2
n
+
5
u_n = 2n + 5
u
n
=
2
n
+
5
.
Browse the problem library