Graph the numbers on the real number line.x ? -5
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B. 
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D. 
Answer: B
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For the function shown in the graph, find the indicated function value and limit.Find f(0) and 
f(x).
A. 0: 6 B. Does not exist; 0 C. 6; does not exist D. 6; 0
Rationalize the denominator. Assume that all variables represent positive real numbers.
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B. 
C. 
D. 
Answer the question.Let P be a polynomial function with a leading coefficient of 1 and having the following zeros: 3 (multiplicity 1), -1 (multiplicity 3), 8 (multiplicity 2), and -9 (multiplicity 4). State the degree of P and write P(x) in factored form.
A. Degree 4; P(x) = (x - 3)(x + 1)(x - 8)(x + 9) B. Degree 10; P(x) = (x + 3)(x - 1)3(x + 8)2(x - 9)4 C. Degree 10; P(x) = (x - 3)(x + 1)3(x - 8)2(x + 9)4 D. Degree 14; P(x) = (x - 3)2(x + 1)4(x - 9)3(x - 9)5
Suppose that a certain radioactive substance has a half-life of 45 years. If there are presently 1,920 milligrams of the substance, how much, to the nearest milligram, will remain after 180 years?
A. Q = 130 milligram B. Q = 120 milligram C. Q = 135 milligram D. Q = 95 milligram E. Q = 125 milligram