Homework Statement
Can someone please help or guide me with these problems.
Thanks in advance.
less than or equal to = </=
1 (x+3)(x-3)>0
2 x^2-2x-15</= 0
3 sin2x=sinx, 0</=x</=2pi
4 logx+log(x-3)=1
The Attempt at a Solution
OK so for number 1 I do not know where to...