Answer:
42 (square root>) 10 + 51 (square root>) 5
Step-by-step explanation:
Answer:

Step-by-step explanation:
We are given the following in the question:
Quantity, q
Selling price in dollars per yard, p

Total revenue earned =

f(20)=13000
This means that 13000 yards of fabric is sold when the selling price is 20 dollars per yard.
f′(20)=−550
This means that increasing the selling price by 1 dollar per yards there is a decrease in fabric sales by 550.
We have to find R'(20)
Differentiating the above expression, we have,

Putting the values, we get,

Answer:
-x+32
Step-by-step explanation:
x^2 ÷ 3x^3-97x+32
It would take (2 hours and 45 min) for the train to travel this far
Hope this helps.
2 divided by 18 is 9 and 3 divided by 18 is 6 hope that helps