Find the domain and range of the function.g(z) = 
A. D: (-?,-1), R: (0,?)
B. D: [1,?), R: (-?,?)
C. D: [0,?), R: (-?,?)
D. D: (-1,?), R: (-?,0)
Answer: D
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Multiply.
A. x2 - 
x - 
B. x2 + 
C. x2 + 
x - 
D. x2 - 
The box plots represent a comparison of the annual salaries of a group of public and private employees
Cathy, a private employee, has an annual salary that is twice the minimum salary of the group of private employees. Dale is the highest paid among the group of public employees. Which of the following statements is true?
A. Cathy's annual salary is higher than Dale's. B. Cathy and Dale have the same annual salary. C. Dale's annual salary is higher than Cathy's. D. The information provided is not sufficient to determine which of the two salaries is higher. E. none of these
Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = ln (6x + 2y)
A. Domain: all points in the x-y plane; range: all real numbers; level curves: lines 
B. Domain: all points in the x-y plane satisfying 6x + 2y > 0; range: real numbers z ? 0; level curves: lines 
C. Domain: all points in the x-y plane satisfying 6x + 2y > 0; range: all real numbers; level curves: lines 
D. Domain: all points in the x-y plane satisfying 6x + 2y ? 0; range: all real numbers; level curves: lines 
Provide an appropriate response.If A and B are independent events, how many of the following statements must be true?(i) A' and B are independent.(ii) A and B' are independent.(iii) A' and B' are independent.
A. None B. All C. Two D. One