Solve the inequality?

Question

Where appropriate, give an exact answer as well as a decimal approximation.

3log(4x+3) < 1

Answer 1

3log(4x+3)<1 ( log is in base 10) so
log( 4x+3 )< 1/3
4x+3<10^1/3 and x<(10^1/3-3)/4 =-0.2114 but 4x+3>0 so x>-3/4
so the solution is
-0.75