Problema Solution
(-∞,-3)
(-3,0)
(0,1)
(1,∞)
You need to test a value in each of these three intervals, and show your work. The intervals with a positive result will be your answer. Please check out the posts titled Solving a quadratic inequality in the week 3 Problems and Solutions discussion for more help.
I'll check the first interval for you.
(-∞,-3) Test value x = -5. Check the signs in x(x+3)(x-1)
Answer provided by our tutors
(1)
(-â,-3) Test value x = -5, the signs in x(x+3)(x-1)0
(3)
(0,1) Test x = 1/2, the signs in x(x+3)(x-1)0