Answer: 3 or 4
Explanation:
f(x)=0.48In(x+2)+27=28 multiply both sides by 100
48In(x+2)+2700=2800 subtract 2700 from both sides
48In(x+2)=100
In(x+2)= apply log rule
x+2 = e
x = e - 2
x = 3.66
9.4m questions
12.2m answers
apply log rule - 2