Sketching Functions Homework: Draw a Function w/ Negative & Positive Gradient

[NachoKing]

Homework Statement

I have no idea on how to approach this question, Any help is appreciated immensly.

Draw a sketch of a function with the following properties:

a) The gradient is negative where -2 < x < 2
b) The gradient is positive where x < -2 and where x > 2
c) The gradient of the function is zero at (-2, 1) and (2, -1)
d) The zeros of the function are (-4, 0); (0, 0); and (4, 0)

 

[D H]

What work have you done? We can't help you until you show some work.