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John Ng
Questions and answers by visitors named
John Ng
Questions (21)
Let f be a polynomial function with degree greater than 2. If a ‡ b and f(a) = f(b) = 1, which of the following must be true
5 answers
asked by
John Ng
5,556 views
Which of the following will not give the instantaneous rate of change of f (x) with respect to x when x = 3?
Which of the
5 answers
1,631 views
46. A thin film of oil with a thickness of 90 nm rests on top of a pool of water. When white light incident on the film is
3 answers
790 views
The pattern we use with air resistance works on objects that are traveling on level ground, too. For example, if you stop
1 answer
264 views
Consider the following problem situation:
At time t = 0, a country's population is 300 million, and its death rate exceeds its
1 answer
469 views
The differential equation for an object coasting to a stop is dv/dt = -kv, where k is constant.
Claim : The equation that gives
1 answer
256 views
A room containing 1200 cubic feet of air is originally free of carbon monoxide. Beginning at time t = 0, cigarette smoke
1 answer
351 views
At time t = 0, a country's population is 300 million, and its death rate exceeds its birth rate by k. There is also a constant
1 answer
283 views
A dish of ice cream is left on the table in a room with a constant temperature of 70ºF. At t = 0, the temperature of the ice
4 answers
549 views
At x = 3, the function given by f(x) = { x² , x<3} ; {6x-9 , x ≥ 3} is
a. continuous but not differentiable. b. differentiable
4 answers
6,506 views
Which of these kinds of problems is not likely to appear on the AP Exam?
Finding the zero of a cubic Drawing the graph of an
1 answer
344 views
If f(x) is continuous for all x, which of the following integrals necessarily have the same value?
b I. ∫ f(x) dx a b II. ∫
4 answers
1,299 views
The maximum value of f(x) = −ex + x is:
0 –1 1 In 2 Is it -1?
2 answers
133 views
What is the minimum value of f(x) = xe^x?
-1/e –e –1 0 Is it 0 or -1/e?
1 answer
159 views
Physicists refer to an electron deficiency as a(n) ____.
I have no clue, cant find it in my book. Beta decay or Ground State?
3 answers
421 views
39. The electrostatic force between two charged spheres is 64 N. What will the magnitude of the force be if the size of each
4 answers
2,014 views
48. The strongest colors reflected in a thin film have wavelengths in the film equal to ____ of the thinnest possible film.
a.
1 answer
406 views
48. The strongest colors reflected in a thin film have wavelengths in the film equal to ____ of the thinnest possible film.
a.
3 answers
470 views
47. Induction is a process in which a moving ____ produces a(n) ____.
a. charge, current c. magnetic field, electric field b.
4 answers
1,144 views
25. A ____ , provided by a battery or a generator, is needed for a flow of charge to exist.
A. __________ Im guessing continuous
3 answers
327 views
2. A proton has a mass of 1.67 x 10-27 kg and a charge of 1.60 x 10-19 C. What is the weight (gravitational force) on a single
1 answer
768 views
Answers (1)
Im thinking its a?
