Answer:
11
Step-by-step explanation:
Answer: 11
6+5=11
(sum means addition)
Hope this helps! :)
Answer:The Answer is C,D and E
Step-by-step explanation:I just answered it on khan academy
,,,,,
f(3) = 13
f(x) = 4x+1
f(3) = 4(3) + 1
f(3) = 12 + 1