Let f ( υ ) be the gas consumption (in liters/km) of a car going at velocity v (in km/hr). In other words, f ( υ ) tells you how many liters of gas the car uses to go one kilometer, if it is going at velocity v . You are told that f ( 80 ) = 0.05 a n d f ′ ( 80 ) = 0.0005 (a) Let g ( υ ) be the distance the same car goes on one liter of gas at velocity v . What is the relationship between f ( υ )and g ( υ )? Find g (80) and g ′ (80). (b) Let h ( υ ) be the gas consumption in liters per hour. In other words, h ( υ ) tells you how many liters of gas the car uses in one hour if it is going at velocity v . What is the relationship between h ( υ ) and f ( υ )? Find h (80) and h ′(80). (c) How would you explain the practical meaning of the values of these functions and their derivatives to a driver who knows no calculus?
Let f ( υ ) be the gas consumption (in liters/km) of a car going at velocity v (in km/hr). In other words, f ( υ ) tells you how many liters of gas the car uses to go one kilometer, if it is going at velocity v . You are told that f ( 80 ) = 0.05 a n d f ′ ( 80 ) = 0.0005 (a) Let g ( υ ) be the distance the same car goes on one liter of gas at velocity v . What is the relationship between f ( υ )and g ( υ )? Find g (80) and g ′ (80). (b) Let h ( υ ) be the gas consumption in liters per hour. In other words, h ( υ ) tells you how many liters of gas the car uses in one hour if it is going at velocity v . What is the relationship between h ( υ ) and f ( υ )? Find h (80) and h ′(80). (c) How would you explain the practical meaning of the values of these functions and their derivatives to a driver who knows no calculus?
Let f(υ) be the gas consumption (in liters/km) of a car going at velocity v (in km/hr). In other words, f(υ) tells you how many liters of gas the car uses to go one kilometer, if it is going at velocity v. You are told that
f
(
80
)
=
0.05
a
n
d
f
′
(
80
)
=
0.0005
(a) Let g(υ) be the distance the same car goes on one liter of gas at velocity v. What is the relationship between f(υ)and g(υ)? Find g(80) and g′ (80).
(b) Let h(υ) be the gas consumption in liters per hour. In other words, h(υ) tells you how many liters of gas the car uses in one hour if it is going at velocity v. What is the relationship between h(υ) and f(υ)? Find h(80) and h′(80).
(c) How would you explain the practical meaning of the values of these functions and their derivatives to a driver who knows no calculus?
Use the information in the following table to find h' (a) at the given value for a.
x|f(x) g(x) f'(x) g(x)
0
0
0
4
3
1
4
4
3
0
2
7
1
2
7
3
3
1
2
9
4
0
4
5
7
h(x) = f(g(x)); a = 0
h' (0) =
Use the information in the following table to find h' (a) at the given value for a.
x f(x) g(x) f'(x) g'(x)
0
0
3
2
1
1
0
0
2
0
2
43
22
4
3
3
2
3
1
1
4
1
2
0
4
2
h(x) = (1/(2) ²;
9(x)
h' (3)=
=
; a=3
The position of a moving hockey puck after t seconds is s(t) = tan
a. Find the velocity of the hockey puck at any time t.
v(t)
=====
b. Find the acceleration of the puck at any time t.
-1
a (t)
=
(t) where s is in meters.
c. Evaluate v(t) and a (t) for t = 1, 4, and 5 seconds. Round to 4 decimal places, if necessary.
v (1)
v (4)
v (5)
a (1)
=
=
=
=
a (4) =
a (5) =
d. What conclusion can be drawn from the results in the previous part?
○ The hockey puck is decelerating/slowing down at 1, 4, and 5 seconds
○ The hockey puck has a constant velocity/speed at 1, 4, and 5 seconds
○ The hockey puck is accelerating/speeding up at 1, 4, and 5 seconds
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, calculus and related others by exploring similar questions and additional content below.
Differential Equation | MIT 18.01SC Single Variable Calculus, Fall 2010; Author: MIT OpenCourseWare;https://www.youtube.com/watch?v=HaOHUfymsuk;License: Standard YouTube License, CC-BY