Figure 3.21 (a) one section of the racetrack can be modeled by the function f ( x ) = x 3 + 3 x 2 + x . (b) The front corner of the grandstand is located at ( 1.9 , 2.8 ) . 3. To determine whether the spectators are in danger in this scenario, find the x -coordinates of the point where the tangent line crosses the line y = 2.8 . Is this point safely to the right of the grandstand? Or are the spectators in danger?
Figure 3.21 (a) one section of the racetrack can be modeled by the function f ( x ) = x 3 + 3 x 2 + x . (b) The front corner of the grandstand is located at ( 1.9 , 2.8 ) . 3. To determine whether the spectators are in danger in this scenario, find the x -coordinates of the point where the tangent line crosses the line y = 2.8 . Is this point safely to the right of the grandstand? Or are the spectators in danger?
Figure 3.21 (a) one section of the racetrack can be modeled by the function
f
(
x
)
=
x
3
+
3
x
2
+
x
. (b) The front corner of the grandstand is located at
(
1.9
,
2.8
)
.
3. To determine whether the spectators are in danger in this scenario, find the x-coordinates of the point where the tangent line crosses the line y = 2.8. Is this point safely to the right of the grandstand? Or are the spectators in danger?
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