Solve the equation.3x = -15
A. {3}
B. {-3}
C. {5}
D. {-5}
Answer: D
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Use a tree diagram showing all possible results when a die is rolled twice. List the ways of getting the following result.The sum of the numbers showing is either 3 or 4.
A. (2,1),(3,1),(2,2) B. (1,2),(1,3),(2,2) C. (1,2),(2,1),(1,3),(3,1),(2,2) D. (1,2),(2,2)
Find the range of the quadratic function.y + 1 = (x - 1)2
A. (-?, 1] B. [1, ?) C. [- 1, ?) D. (-?, - 1]
Perform the indicated operation. Write the result in the form a + bi.(5 + 4i) - (-7 + i)
A. -2 + 5i B. 12 + 3i C. 12 - 3i D. -12 - 3i
Solve the problem.The concentration C of a certain drug in a patient's bloodstream is given by 
.a) Find the horizontal asymptote of C(t).b) Using a graphing utility, determine the time at which the concentration is highest.
Fill in the blank(s) with the appropriate word(s).