i derivative is positive on 4 4 1 2 derivative is negative

		i) derivative is positive on (-, -4) $\"u8746.jpg\"$ (-4, -1) $\"u8746.jpg\"$ (2, ) derivative is negative on (-1, 2) ii) derivative is undefined at x = -1 derivative is zero at x = -4 and x = 2
		i) derivative is positive on (-, -4) $\"u8746.jpg\"$ (-4, -1) $\"u8746.jpg\"$ (2, ) derivative is negative on (-1, 2) ii) derivative is undefined at x = -4 and x = 2 derivative is zero at x = -1
		i) derivative is positive on (-1, 2) derivative is negative on (-, -4) $\"u8746.jpg\"$ (-4, -1) $\"u8746.jpg\"$ (2, ) ii) derivative is undefined at x = -1 derivative is zero at x = -4 and x = 2
		i) derivative is positive on (-1, 2) derivative is negative on (-, -4) $\"u8746.jpg\"$ (-4, -1) $\"u8746.jpg\"$ (2, ) ii) derivative is undefined at x = -4 and x = 2 derivative is zero at x = -1

The picture with the graph aint visible

I am commenting here in order to draw your attention to the fact that you must upload the pic again.

Plz edit your question with the picture properly uploaded.

I can then edit this answer and upload the actual answer.

Cheers!