Question

(x) = x 2 + 1 for f(2).

Answer 1

hi! welcome to openstudy! :D

Answer 2

so to solve, you would plug 2 in for x.
f(x) = (2)^2 +1
f(x) = 4 + 1
f(x) = 5
Thus, your solution is 5.
hope this helps. :D