SOLUTION: solve algebraically, leave in interval notation ln (x) + ln (x-3) < = ln4

Algebra ->  Inequalities -> SOLUTION: solve algebraically, leave in interval notation ln (x) + ln (x-3) < = ln4      Log On


   



Question 759172: solve algebraically, leave in interval notation
ln (x) + ln (x-3) < = ln4

Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
solve algebraically, leave in interval notation
ln (x) + ln (x-3) < = ln4
ln(x(x-3))≤ln(4)
x^2-3x≤4
x^2-3x-4≤0
(x-4)(x+1)≤0
number line
<...+....-1....-.....4....+.....>
solution: [-1,4]