At a cruising altitude of 35,000 ft, a certain airplane travels 555 mph. a. Write a function representing the distance d x (in mi) for x hours at cruising altitude. b. Write an equation for d − 1 x . c. What does the inverse function represent in the Context of lit problem? d. Evaluate d − 1 2553 and interpret its meaning in context.
At a cruising altitude of 35,000 ft, a certain airplane travels 555 mph. a. Write a function representing the distance d x (in mi) for x hours at cruising altitude. b. Write an equation for d − 1 x . c. What does the inverse function represent in the Context of lit problem? d. Evaluate d − 1 2553 and interpret its meaning in context.
Solution Summary: The author explains that the distance function d(x)=555x is the product of its speed and the time it took to cover it.
A driver is traveling along a straight road when a buffalo runs into the street. This driver has a reaction time of 0.75 seconds. When the driver sees the buffalo he is traveling at 44 ft/s, his car can decelerate at 2 ft/s^2 when the brakes are applied. What is the stopping distance between when the driver first saw the buffalo, to when the car stops.
Topic 2
Evaluate S
x
dx, using u-substitution. Then find the integral using
1-x2
trigonometric substitution. Discuss the results!
Topic 3
Explain what an elementary anti-derivative is. Then consider the following
ex
integrals: fed dx
x
1
Sdx
In x
Joseph Liouville proved that the first integral does not have an elementary anti-
derivative Use this fact to prove that the second integral does not have an
elementary anti-derivative. (hint: use an appropriate u-substitution!)
1. Given the vector field F(x, y, z) = -xi, verify the relation
1
V.F(0,0,0) = lim
0+ volume inside Se
ff F• Nds
SE
where SE is the surface enclosing a cube centred at the origin and having edges of length 2€. Then,
determine if the origin is sink or source.
A Problem Solving Approach To Mathematics For Elementary School Teachers (13th Edition)
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