Determine whether the relation represents a function. If it is a function, state the domain and range.{(-2, 2), (-1, -1), (0, -2), (1, -1), (3, 7)}
A. function
domain: {2, -1, -2, 7}
range: {-2, -1, 0, 1, 3}
B. function
domain: {-2, -1, 0, 1, 3}
range: {2, -1, -2, 7}
C. not a function
Answer: B
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Write the negation of the conditional. Use the fact that the negation of p ? q is p ? ~q.If it is raining, you take your rain coat.
A. If it is raining, you do not take your rain coat. B. It is not raining and you do not take your rain coat. C. It is raining and you do not take your rain coat. D. It is not raining and you take your rain coat.
Solve the problem.Elissa earns $8.55 per hour working at the Salem Animal Shelter. The amount, A, she earns in t hours is given by the equation A = 8.55t. Determine Elissa's pay if she works 28 hours.
A. $237.04 B. $237.83 C. $239.64 D. $239.40
Write the complete factored form of the polynomial f(x), given the indicated zero.f(x) = 3x3 + 7x2 - 18x + 81 is a zero.
A. f(x) = 3
(x + 4)(x - 1)
B. f(x) = 
(x + 4)(x - 1)
C. f(x) = 
(x + 4)(x - 1)
D. f(x) = 3
(x + 4)(x - 1)
Multiply. Write the result in the form a + bi.(8 - 4i)(7 + 5i)
A. 76 - 12i B. -20i2 + 12i + 56 C. 76 + 12i D. 36 - 68i