Provide an appropriate response.Tell whether the statement is true or false. If it is false, give the correct answer. Explain your answer. Assume that x represents a positive real number.
? 
= x
What will be an ideal response?
The statement is true. 
= 
. By the definition of principal square root, 
= |x|, and 
= x when x is a positive real number. (Explanations will vary.)
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Give the name of the set or elements of the set that matches the following description.numbers which can be written as fractions
A. Real numbers B. Natural numbers C. Irrational numbers D. Rational numbers
Find the real solutions, if any, of the equation. Use the quadratic formula.x2 + 7x + 2 = 0
A. {
, 
}
B. {
, 
}
C. {
, 
}
D. {
, 
}
Solve the problem.The following scatter diagram shows heights (in inches) of children and their ages.Height (inches)
Age (years)What happens to height as age increases?
A. Height increases as age increases. B. Height stays the same as age increases. C. Height and age do not appear to be related. D. Height decreases as age increases.
Find the indicated probability.The following contingency table provides a joint frequency distribution for a group of retired people by career and age at retirement. Age at Retirement 
Suppose one of these people is selected at random. Compute the probability that the person selected was an attorney who retired between 61 and 65.
A. 0.299 B. 0.133 C. 0.242 D. 0.445