Provide an appropriate response.True or False? The quotient of a positive integer and a negative integer is always a positive number.
A. True
B. False
Answer: B
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Simplify the expansion.(5 ? 102) + (7 ? 101) + (2 ? 100)
A. 572 B. 5072 C. 5720 D. 570
In order to determine how American undergraduate college students feel about eliminating spring break in order to finish spring term a week early, a survey was conducted. Two hundred undergraduate students from the University of Miami (FL) were interviewed. Both of the interviewers hired to conduct the survey were told to interview 25 freshmen, 25 sophomores, 25 juniors, and 25 seniors. Of the 200 students interviewed, 20% were in favor of the elimination of spring break, 70% were opposed, and 10% had no opinion.The sampling method used for the survey is called
A. random sampling. B. simple random sampling. C. quota sampling. D. stratified sampling. E. none of these
You want a linearization that will replace the function over an interval that includes the point x0. To make your subsequent work as simple as possible, you want to center the linearization not at x0 but at a nearby integer x = a at which the function and its derivative are easy to evaluate. What linearization do you use?f(x) = 
, x0 = 4.2
A. 
+ 
x
B. 
+ 
x
C. 
+ 
x
D. 
+ 
x
Use a graphing calculator to make a conjecture as to whether each equation is an identity.sin 2x = 2 sin x
A. Not an identity B. Identity