Answer:
a)
,
,
b)
,
,
Step-by-step explanation:
We can use the chain rule in the following form: is u=u(x) is a differentiable function depending on x and y=y(u) is a differentiable function depending on u, then
.
a)
from the power rule.
.
From the previous parts and the chain rule,
b)
from the power and sum rules.
Then,
Answer:
4,684 km
Step-by-step explanation:
Answer:

Step-by-step explanation:

+8.84 +8.84

/4 /4

Here it is
67^2 = 67*67 = 4489
Answer:
if the increase in one, leads t the decrease of another, its an example of proportion