The number of people contacted at each level of a phone tree can be represented by f(x)=3^x where x represents the level. what is x when f(x) =27?

Apex x=3; At level3, 27 peopole will be contacted

answer: 16

step-by-step explanation: first you would add 6+6 which equals 12 then add 2+2 which equals 4. then add 12 + 4 which is 16.

hope this ^_^