Divide.
÷ (-78)
A. -12
B.
C. - 6
D. -
Answer: D
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For a certain epidemic the number N of new cases expected in a day depends on the number t of days since the outbreak began. The relationship is
.
?
What is the greatest number of new cases that occur on a day, and on what day does that happen? Round both answers to the nearest whole number.
A. A maximum of 41 new cases occurs on day 24. B. A maximum of 21 new cases occurs on day 38. C. A maximum of 24 new cases occurs on day 41. D. A maximum of 38 new cases occurs on day 21.
Graph the equation by plotting points.y = x + 6
A.
B.
C.
D.
Translate to an equation, then solve.Twice the difference of four and n is the same as four subtracted from negative one times n.
A. 2(n - 4) = 4 - n, n = 4 B. 2(4 - n) = -n - 4, n = 2 C. 2(4 - n) = -n - 4, n = 12 D. 2(4 - n) = -n - 4, n = 4
For the functions f(x) and g(x), determine the domain of (f ? g)(x) (the product of f and g).f(x) = 3x + , g(x) = 1 - x2
A. {x ? x is a real number and x ? 1} B. {x ? x is a real number} C. {x ? x is a real number and x ? 2} D. {x ? x is a real number and x ? -2}