11/5/2020 17. Find the point of diminishing returns (x,y) for the function R(x), where R(x) represents revenue (in thousands of dollars) and x represents the amount spent on advertising (in thousands of dollars). 4 R(x) = (-x³ + 66x2 + 1050x – 400) , osxs 25 27 The point of diminishing returns is (Type an ordered pair. Round to the nearest tenth as needed.)

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Chapter2: Second-order Linear Odes
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11/5/2020
Uection
17.
Find the point of diminishing returns (x,y) for the function R(x), where R(x) represents revenue (in thousands of dollars)
and x represents the amount spent on advertising (in thousands of dollars).
4
R(x) =
x+ 66x2 + 1050x – 400), 0sxs 25
27
The point of diminishing returns is
(Type an ordered pair. Round to the nearest tenth as needed.)
JEWOAESIVEY
1O EXBOZE VDHF TAE BEWOAETIMEB
1O EXBOE
of concentration
1O EX6OE VDHEZIAE HENOAE TIMEH
LO EXLOBE
O EXOE VDHEBIAE BE EyS
1O EXLOZE VDHESIAE HEWOAE
1O EXLOZE VDHESTAE BENOAE FIMEH
10 E VOHEIAE BEWOAE FIME
JEWOAE FIMEU
RAMU aVOMERSveaHCA 320XG OT
1O EXLO2E VDHEBIAE UEWOAEN
OEXE VDHEBIAE HEWOAE MIMEH
LO EXBOCE
10 EXLOZE VDHESIAE HENOAETIMEH
EWOAE MEM the (R QHCEVeaHOA B20X3 OT
10 EXBO2E VDHESIAE HEWOE CIMEH
REMUEVOMBA EV23HOA 320XE OT
. TinU trit maxiITTUITT COItentratION.
.PlaginI for X
a. The concentration will be maximized at x =
hour(s).
2.5_%.
b. The maximum concentration is
9. If a cannonball is shot directly upward with a velocity of 160 ft per second, its height above the ground after t seconds is
given by s(t) = 160t – 16t. Find the velocity and the acceleration after t seconds. What is the maximum height the
cannonball reaches? When does it hit the ground?
The velocity after t seconds is v(t) =
ft/sec.
In your choce.
ft/sec?.
act
The acceleration after t seconds is a(t) =
%3D
we
The cannonball reaches a maximum height of
ft.
hits the
Dund after t =
sec.
Transcribed Image Text:11/5/2020 Uection 17. Find the point of diminishing returns (x,y) for the function R(x), where R(x) represents revenue (in thousands of dollars) and x represents the amount spent on advertising (in thousands of dollars). 4 R(x) = x+ 66x2 + 1050x – 400), 0sxs 25 27 The point of diminishing returns is (Type an ordered pair. Round to the nearest tenth as needed.) JEWOAESIVEY 1O EXBOZE VDHF TAE BEWOAETIMEB 1O EXBOE of concentration 1O EX6OE VDHEZIAE HENOAE TIMEH LO EXLOBE O EXOE VDHEBIAE BE EyS 1O EXLOZE VDHESIAE HEWOAE 1O EXLOZE VDHESTAE BENOAE FIMEH 10 E VOHEIAE BEWOAE FIME JEWOAE FIMEU RAMU aVOMERSveaHCA 320XG OT 1O EXLO2E VDHEBIAE UEWOAEN OEXE VDHEBIAE HEWOAE MIMEH LO EXBOCE 10 EXLOZE VDHESIAE HENOAETIMEH EWOAE MEM the (R QHCEVeaHOA B20X3 OT 10 EXBO2E VDHESIAE HEWOE CIMEH REMUEVOMBA EV23HOA 320XE OT . TinU trit maxiITTUITT COItentratION. .PlaginI for X a. The concentration will be maximized at x = hour(s). 2.5_%. b. The maximum concentration is 9. If a cannonball is shot directly upward with a velocity of 160 ft per second, its height above the ground after t seconds is given by s(t) = 160t – 16t. Find the velocity and the acceleration after t seconds. What is the maximum height the cannonball reaches? When does it hit the ground? The velocity after t seconds is v(t) = ft/sec. In your choce. ft/sec?. act The acceleration after t seconds is a(t) = %3D we The cannonball reaches a maximum height of ft. hits the Dund after t = sec.
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