Marginal revenue. Solano Carriers finds that its monthly revenue, in dollars, from the sale of x carry-on suitcases is R ( x ) = 0.007 x 3 − 0.5 x 2 + 150 x . Currently Solano is selling 26 carry-on suitcases monthly. a. What is the current monthly revenue? b. How much would revenue increase if sales increased from 26 to 28 suitcases? c. What is the marginal revenue when 26 suitcases are sold? d. Use the answers from parts (a)-(c) to estimate the revenue resulting from selling 27 suitcases per month.
Marginal revenue. Solano Carriers finds that its monthly revenue, in dollars, from the sale of x carry-on suitcases is R ( x ) = 0.007 x 3 − 0.5 x 2 + 150 x . Currently Solano is selling 26 carry-on suitcases monthly. a. What is the current monthly revenue? b. How much would revenue increase if sales increased from 26 to 28 suitcases? c. What is the marginal revenue when 26 suitcases are sold? d. Use the answers from parts (a)-(c) to estimate the revenue resulting from selling 27 suitcases per month.
Marginal revenue. Solano Carriers finds that its monthly revenue, in dollars, from the sale of x carry-on suitcases is
R
(
x
)
=
0.007
x
3
−
0.5
x
2
+
150
x
.
Currently Solano is selling 26 carry-on suitcases monthly.
a. What is the current monthly revenue?
b. How much would revenue increase if sales increased from 26 to 28 suitcases?
c. What is the marginal revenue when 26 suitcases are sold? d. Use the answers from parts (a)-(c) to estimate the revenue resulting from selling 27 suitcases per month.
find the zeros of the function algebraically:
f(x) = 9x2 - 3x - 2
Rylee's car is stuck in the mud. Roman and Shanice come along in a truck to help pull her out. They attach
one end of a tow strap to the front of the car and the other end to the truck's trailer hitch, and the truck
starts to pull. Meanwhile, Roman and Shanice get behind the car and push. The truck generates a
horizontal force of 377 lb on the car. Roman and Shanice are pushing at a slight upward angle and generate
a force of 119 lb on the car. These forces can be represented by vectors, as shown in the figure below. The
angle between these vectors is 20.2°. Find the resultant force (the vector sum), then give its magnitude
and its direction angle from the positive x-axis.
119 lb
20.2°
377 lb
An airplane flies due west at an airspeed of 428 mph. The wind blows in the direction of 41° south of west
at 50 mph. What is the ground speed of the airplane? What is the bearing of the airplane?
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