Respuesta :

Answer:

5

y

2.5

z

8

Step-by-step explanation:

6

z

5.5

+

3.5

z

+

5

y

2.5

 

Add  

6

z

and  

3.5

z

.

2.5

z

5.5

+

5

y

2.5

Answer:

− 25z+5y−8

Step-by-step explanation:

DIFFERENTIATE W.R.T. Z

−2.5