Find the median of the list of data.
?
15, 18, 20, 29, 34, 44
?
A. 22.5
B. 29
C. 20
D. 24.5
E. 26.7
Answer: D
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Find any numbers for which the rational expression is undefined.
A. a = 2 B. a = 0 C. a = -2 D. none
Solve the problem using your calculator.Two separate tests are designed to measure a student's ability to solve problems. Several students are randomly selected to take both tests and the results are shown below. Use linear regression to find a linear function that predicts a student's score on Test B as a function of his or her score on Test A.
A. y = -0.930 + 19.4x B. y = -19.4 - 0.930x C. y = 0.930 - 19.4x D. y = 19.4 + 0.930x
For the given rational functions f(x) and g(x), f(x) + g(x).f(x) = 
, g(x) = 
A. 19x
B. 
C. 
D. 
Find the real solutions of the equation.x2 + 5x - 
= 12
A. {25, -25}
B. {5}
C. {3}
D. {
, 
}