Simplify.
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.Barnes and Able sell life, health, and auto insurance. Sales for May and June are given in the matrices.LifeHealth AutoM = 
J = 
Find the matrix that would give total sales for May and June.
A. 
B. 
C. 
D. 
Provide an appropriate response.Indicate whether the following statement is true or false. If two of the rows of a 3 × 3 matrix are identical, but its other row is different, then the determinant of the matrix equals 0.
A. True B. False
For the pair of functions, find the indicated domain.f(x) = 
, g(x) = 
Find the domain of f + g.
A. (-?, -10) ? (-10, 1) ? (1, ?) B. (-?, -4) ? (-4, -2) ? (-2, ?) C. (-?, ?) D. (-?, -1) ? (-1, 10) ? (10, ?)
Find the largest open interval where the function is changing as requested.Decreasing f(x) = 
A. (-8, ?) B. (8, ?) C. (-?, -8) D. (-?, 8)