Profit-and-loss analysis. Jamal decides to mow lawns to earn money. The initial cost of his lawnmower is $250. Gasoline and maintenance costs are $4 per lawn. a. Formulate a function C ( x ) for the total cost of mowing x lawns. b. Jamal determines that the total-profit function for the lawn-mowing business is given by P ( x ) = 9 x − 250 . Find a function for the total revenue from mowing x lawns. How much does Jamal charge per lawn? c. How many lawns must Jamal mow before he begins making a profit?
Profit-and-loss analysis. Jamal decides to mow lawns to earn money. The initial cost of his lawnmower is $250. Gasoline and maintenance costs are $4 per lawn. a. Formulate a function C ( x ) for the total cost of mowing x lawns. b. Jamal determines that the total-profit function for the lawn-mowing business is given by P ( x ) = 9 x − 250 . Find a function for the total revenue from mowing x lawns. How much does Jamal charge per lawn? c. How many lawns must Jamal mow before he begins making a profit?
Profit-and-loss analysis. Jamal decides to mow lawns to earn money. The initial cost of his lawnmower is $250. Gasoline and maintenance costs are $4 per lawn.
a. Formulate a function
C
(
x
)
for the total cost of mowing x lawns.
b. Jamal determines that the total-profit function for the lawn-mowing business is given by
P
(
x
)
=
9
x
−
250
.
Find a function for the total revenue from mowing x lawns. How much does Jamal charge per lawn?
c. How many lawns must Jamal mow before he begins making a profit?
Can the expert solve an Intestal
In detall?
110x/0³
W. 1 SW = dw
A
40x103π
⑤M-1
大
80*10³/
12
10%
70*1037
80x103
||
dw
OP= # Sin (w/+1) dw
A
70*10*A
After a great deal of experimentation, two college senior physics majors determined that when a bottle of French champagne is shaken several times, held upright, and uncorked,
its cork travels according to the function below, where s is its height (in feet) above the ground t seconds after being released.
s(t)=-16t² + 30t+3
a. How high will it go?
b. How long is it in the air?
+6x²+135x+1) (0≤x≤10). a) Find the number of units
The total profit P(x) (in thousands of dollars) from a sale of x thousand units of a new product is given by P(x) = In (-x²+6x² + 135x+
that should be sold in order to maximize the total profit. b) What is the maximum profit?
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Elementary Statistics: Picturing the World (7th Edition)
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