Solve the problem.Between x = 0 and x = 8, the largest value of the expression 
occurs where 
. Of the values of x that satisfy 
, which gives the maximum value of 
?
A. x = 7
B. x = 6
C. x = 2
D. x = 3
Answer: D
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Factor completely.y2 - 36
A. (y - 6)(y - 6) B. (y2 + 6)(y2 - 6) C. (y + 36)(y - 36) D. (y + 6)(y - 6)
Divide and write answer in lowest terms.
÷ 
A. 
B. 1
C. 
D. 2
Provide an appropriate response.Suppose that A and B are two matrices such that A + B, A - B, and AB all exist. What can you conclude about the dimensions of A and B?
A. A and B have the same dimension, but are not necessarily square matrices. B. A and B are square matrices of the same dimension. C. There are no dimensions of A and B that would make this possible. D. A is a row matrix and B is a column matrix.
Write the system in the form 
Then solve the linear system by computing 
with a calculator. Round numbers to the nearest tenth, as necessary.2.8x + 16.6y + 4.8z = 1.94.7x - 7.0y - 0.6z = -3.74.5x + 9.4y - 0.9z = 10.5
A. (0.3, 1.8, -5.5) B. (0.1, 0.4, -1.1) C. (0.1, 0.8, -2.5) D. (0.0, 0.2, -0.5)