ben walks at a rate of3 miles per hour. he runs at a rate of 6 miles per hour. in one week, the combined distance that he walks
1 answer:
You might be interested in
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,