The augmented matrix of a system of equations has been transformed to an equivalent matrix in row-echelon form. If the system is consistent, then give the solution. If it is not, then state that it is inconsistent.
A. (2, 5)
B. (5, 2)
C. (4, - 2)
D. Inconsistent
Answer: B
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An experiment consists of selecting a card from a standard deck of playing cards and noting whether the card is black (B) or red (R). Describe an appropriate sample space for this experiment. ?
A. {BR, RB} B. {R, R} C. {R, B, B, R} D. {B, R} E. {B, B}
For the given functions f and g, find the requested function and state its domain. Write the domain in interval notation.f(x) = 5x3 + 3; g(x) = 3x2 + 2;
Find f ? g.
A. (f ? g)(x) = 15x5 + 10x3 + 9x2 + 6; (-?, ?) B. (f ? g)(x) = 15x6 + 10x3 + 9x2 + 6; (-?, ?) C. (f ? g)(x) = 5x3 + 3x2 + 6; (-?, ?) D. (f ? g)(x) = 15x5 + 10x3 + 9x2 + 6; (-?, 0) ? (0, ?)
Translate the phrase to an algebraic expression.Nine divided by x
A. 9 - x
B. 9x
C. 
D. 9 + x
Solve the problem.In survey of 50 households, 25 responded that they have an HDTV television, 35 responded that they had a multimedia personal computer and 15 responded they had both. How many households had neither an HDTV television nor a multimedia personal computer?
A. 15 B. 25 C. 35 D. 5