QUESTION 1) Sketch the graph of a function defined on the interval 0

1. y ' < 0 if 0< x < 3
2. y " > 0 if 0< x < 5
3. y " < 0 if 5 < x < 8
4. y has a horizontal tangent at the point (7,5)

QUESTION 2) For the function.

1. Find the intervals of increase/decrease making a chart with test values as in the week 6 course notes.CORRECT interval notation must be used.
2. Find the intervals of concavity making a chart with test values as in the week 6course notes. CORRECT interval notation must be used.