Answer:
Not sure of the rest but hope this helps
Answer:
-4
Step-by-step explanation:
f(x) = 10 - 2x,
Let x= 7
f(7) = 10 2(7)
= 10-14
= -4
Answer:
Step-by-step explanation:
If the Number of Sales of x units, N(x) is defined by the function:


Next, we text the critical points and the end points of the interval to see where the derivative is increasing.

Thus, the rate of change of sales
is increasing in the interval
on 10≤x≤40.
Answer:
A.
Step-by-step explanation: