Solve the problem.Consider the following simplified digital photograph that has a 3 × 3 grid with four gray levels numbered from 0 to 3. It shows a letter Y in white on a black background.
Let A be the 3 × 3 matrix that represents this figure digitally. Find the matrix A.
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.Find the average height of the paraboloid 
above the disk 
in the 
.
A. 12 B. 54 C. 90 D. 18
Provide an appropriate response.Describe the graph of the function f(x) = x + 3 if the domain is 
A. The graph consists of the four points (3, 3), (4, 3), (5, 3), and (6, 3). B. The graph consists of the four points (3, 6), (4, 7), (5, 8), and (6, 9). C. The graph consists of the four points (0, 6), (1, 7), (2, 8), and (3, 9). D. The graph is a line through the four points (3, 6), (4, 7), (5, 8), and (6, 9).
Perform the indicated operation. Write the result in the form a + bi.(9 - 2i) + (6 + 6i)
A. 15 - 4i B. 15 + 4i C. 3 + 8i D. -15 - 4i
Simplify the expression. Assume that all variables represent nonnegative real numbers.
- 3
- 2
A. -5
B. -16
C. -16
D. -5