Use the given information to determine whether the sets are equal. U = {1, 2, 3, 4, 5, 6, 7, 8} A = {1, 3, 5, 7} B = {2, 3, 4, 5, 6}A' ? B', A ? B
A. Not equal
B. Equal
Answer: A
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Solve the problem.A company determines that its cost (in dollars) of producing x machine parts is given by 
and that its revenue (in dollars) for selling x machine parts is given by 
. Write a system of inequalities that would represent the profit region for producing x machine parts. Then graph the system. 
A. C ? 0.2x2 + 6
R ? 11x - 0.2x2
B. C ? 0.2x2 + 6
R ? 11x - 0.2x2
C. C ? 0.2x2 + 6
R ? 11x - 0.2x2
D. C ? 0.2x2 + 6
R ? 11x - 0.2x2
Solve the problem.Your company uses the quadratic model y = -11x2 + 350x to represent how many units (y) of a new product will be sold (x) weeks after its release . How many units can you expect to sell in week 19?
A. 6859 units B. 6441 units C. 10,621 units D. 2679 units
By graphing the function, visually estimate its domain and range.f(x) = 4x + 8
A. Domain: [0, ?); range: [0, ?) B. Domain: (-?, ?)s ; range: [0, ?) C. Domain: [0, ?) ; range: (-?, ?) D. Domain: (-?, ?); range: (-?, ?)
Determine if the following is a linear equation in one variable. If not, state why.1.1x - 2.4 = 0.7x + 1.28
A. It is a linear equation in one variable. B. It is not a linear equation in one variable because it has more than one variable. C. It is not a linear equation in one variable because it is not an equation. D. It is not a linear equation in one variable because 1.1x has an exponent other than 1.