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 leaving the black alone and changing the light grey to dark grey. Use matrix addition to accomplish this.
A. 
+ 
= 
B. 
+ 
= 
C. 
+ 
= 
D. 
+ 
= 
Answer: C
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Provide an appropriate response.If sin x is replaced by 
and |x| < 0.4, what estimate can be made of the error?
A. |E| < 0.000002276 B. |E| < 0.000000325 C. |E| < 0.000000813 D. |E| < 0.000005689
Suppose that the functions f and g and their derivatives with respect to x have the following values at the given values of x. Find the derivative with respect to x of the given combination at the given value of x.
f2(x) ? g(x), x = 3
A. 55 B. 84 C. 15 D. 31
Solve the problem. Use 3.14 for ?.A figure skater must trace a figure eight on the ice that consists of two perfect circles, each with a radius of 7 feet. What distance does the skater cover, tracing one time around the figure eight? Round results to the nearest tenth of a unit.
A. 44.0 ft B. 88.0 ft C. 22.0 ft D. 20.0 ft
Multiply.-10(19)
A. 180 B. -209 C. -180 D. -190