Answer:
a) 
b)
Step-by-step explanation:
We are given in the question:

F(x,y,z) = (y, -x, z)
a) 
We differentiate with respect to t.

b) F(c(t))
This is a composite function.


Answer:
(x-4) (x+1)
step by step explanation:,
Answer:
2.125
Step-by-step explanation:
Che set amount by A+ Fence company would be around $140 per foot