The ? shape in the figure below is shown using 9 pixels in a 3 × 3 grid. The color levels are given to the right of the figure. Use the matrix 
that represents a digital photograph of the ? shape to solve the problem.
Using the same color levels from the instructions, write a 3 × 3 matrix A that represents the letter L in dark grey on a white background. Then find a 3 × 3 matrix B so that A + B lightens only the letter L from dark grey to light grey.
A.
A = 
; B = 
B.
A = 
; B = 
C.
A = 
; B = 
D.
A = 
; B = 
Answer: A
Mathematics
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Solve the problem.Find C(x) if C'(x) = 
and C(9) = 40.
A. C(x) = 2x3/2 + 22
B. C(x) = 
x3/2 + 31
C. C(x) = 
x3/2 + 22
D. C(x) = 2x3/2 + 31
Mathematics
Write in scientific notation.0.00000036002
A. 3.6002 × 10-6 B. 3.6002 × 106 C. 3.6002 × 107 D. 3.6002 × 10-7
Mathematics
Round the money amount to the specified place.$.3344 to the nearest cent
A. $0.33 B. $0.3344 C. $0.34 D. $0.334
Mathematics
State if the vectors a and b are perpendicular, parallel, or neither. If a and b are parallel, state whether they point in the same direction or in opposite directions.a = 
, b = 
A. Parallel, same directions B. Perpendicular C. Parallel, opposite directions D. Neither
Mathematics