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.
Adjust the contrast by changing the black to light grey and the light grey to black. Use matrix addition to accomplish this.
A. 
+ 
= 
B. 
+ 
= 
C. 
+ 
= 
D. 
+ 
= 
Answer: D
Mathematics
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Provide an appropriate response.Determine a linear function f(x), given f(2) = 0.5; f(1) = -1.
What will be an ideal response?
Mathematics
Multiply and simplify. Assume that all variables represent positive real numbers.(4
+ 9 )(
- 10)
A. 4x + 31
- 90
B. 4x + 49
- 90
C. 4x - 31
+ 90
D. 4x - 31
- 90
Mathematics
Give the focus, directrix, and axis for the parabola.y2 = 8x
A. (0, 2), y = -2, y-axis B. (2, 0), x = -2, y-axis C. (2, 0), x = -2, x-axis D. (2, 2), x = 2, x-axis
Mathematics
Multiply and simplify.
A. 
B. 
C. 
D. 
E. 
Mathematics